List of characters

Main characters

Gregory House, M.D. - Played by Hugh Laurie. Chief of Diagnostic Medicine at the fictional Princeton-Plainsboro Teaching Hospital. Specializes in infectious diseases and nephrology and a board certified diagnostician while also possessing an anti-social nature as well as an unwillingness to meet or treat his patients. In the Season 8 finale episode, he later resigns from his position at PPTH after faking his death so that he can spend the last five months with James Wilson, his best friend who has been diagnosed with Thymoma (cancer of the thymus).
- John House (R. Lee Ermey) - His now deceased "father". (DNA tests from samples taken at his funeral by House prove House's theory that his mother had an affair and that John is not his biological father.)
- Blythe House (Diane Baker) - His mother.
  - Thomas Bell (Billy Connolly) - His mother's second husband, suspected by House of being his biological father.
- Dominika House née Patrova (Karolina Wydra) - His wife.
Lisa Cuddy, M.D. - Played by Lisa Edelstein. Dean of Medicine and hospital administrator of the fictional Princeton-Plainsboro Teaching Hospital in NJ. Season 1-7
- Arlene Cuddy (Candice Bergen) - Her mother.
- Julia Cuddy (Paula Marshall) - Her sister.
  - Julia's husband (Jake Martin)
- Rachel Cuddy (Rylie Colbert and Kayla Colbert, with Emily Hahn playing an older version in a dream) - Her adopted daughter.
James Wilson, M.D. - Portrayed by Robert Sean Leonard. Head of Oncology Department and House's only close friend. Later resigns from the hospital for good after being diagnosed with Thymoma (cancer of the thymus) which he presumably eventually dies from in or around September or October 2012.
- Sam Carr (Cynthia Watros) - His first wife and most recent girlfriend, a radiologist.
- Bonnie Wilson (Jane Adams) - His second wife, a real estate broker.
- Julie Wilson - His third wife.
- Danny Wilson - His schizophrenic younger brother.
Robert Chase, M.D. - Portrayed by Jesse Spencer. His character was a part of the team of diagnosticians who worked under House until the end of the third season when House fires him. Robert Chase is the longest-serving member of House's staff. He marries Cameron at the end of Season 5 and at the end of Season 8, becomes the new head of Diagnostic Medicine.
- Rowan Chase (Patrick Bauchau) - His now deceased father.
- "Sis" - His baby sister.
Eric Foreman, M.D. - Portrayed by Omar Epps. Replaced Cuddy as the Dean of Medicine in Season 8. Formerly House's fellow in neurology.
- Rodney Foreman (Charles S. Dutton) - His father.
- Alicia Foreman (Beverly Todd) - His now deceased mother.
- Marcus Foreman (Orlando Jones) - His brother.
Allison Cameron, M.D. - Portrayed by Jennifer Morrison. Specializes in Immunology and Internal Medicine. Season 1-6.
Chris Taub, M.D. - Portrayed by Peter Jacobson. He becomes a member of House's new diagnostic team in the Season 4 episode titled "Games." Season 4-present.
- Rachel Taub (Jennifer Crystal Foley) - His ex-wife.
  - Sophia Taub - Their daughter.
  - Phil (Mark Atteberry) - Rachel's new boyfriend.
- Ruby (Zena Grey) - His girlfriend.
  - Sophie Taub - Their daughter
Remy Beauregard "Thirteen" Hadley, M.D. - an Internist who is well known for being shrouded in mystery. She is portrayed by Olivia Wilde. She was portrayed by Julia Putnam in flashbacks. Season 4-Season 8.
- John Hadley (Christopher Stapleton) - Her father
- Brother Hadley - Her unnamed older brother, whom she euthanized in Season 7 due to his late stage Huntington's disease.
- Anne Hadley (Danielle Petty) - Her deceased mother
- Amy Hadley (Lydia Grote) - Apparently, her younger sister
- Amy (Jaclyn Jonet) - Her girlfriend
Lawrence Kutner, M.D. - Portrayed by Kal Penn. He became a member of House's new diagnostic team in "Games", the ninth episode of the fourth season. Kutner committed suicide in the fifth season episode "Simple Explanation." Season 4-5.
- The Kutners - Richard and Julia, his adoptive parents.
Jessica Adams, M.D. - A doctor House met in prison and convinced her to follow him to PPTH. She is portrayed by Odette Annable. Season 8.
Chi Park, M.D. - A neurology resident at PPTH who fell into House's orbit when she was suspended for punching her supervisor. She is portrayed by Charlyne Yi. Season 8.
- Kwansik Park (Charles Rahi Chun) - Her father
- Mrs. Park - Her mother
- Popo (Saachiko) - Her grandmother

Main patients are in bold type

Recurring characters are in bold italic

Unseen characters are in italics

Other characters are in plain text

Season One

Pilot

Rebecca Adler (Robin Tunney) - A kindergarten teacher

Melanie Landon (Reika Sharma) - One of her teaching colleagues

Orange Guy (Andrew Airlie) - House's first clinic patient. House suspects the patient's wife is having an affair. He is diagnosed with taking too many megavitamins. He later goes to Cuddy to try to have House fired.

Asthma Mom (Maya Massar) - A young mother who doesn't like it when her son uses steroids

Asthma Boy (Dylan Basu) - Her young son

Molnar (Ethan Kyle Gross) - A tired clinic patient

Paternity

Dan (Scott Mechlowicz) - A high school lacrosse player with double vision

Young Mother (Kylee Cochrane) - A mother who doesn't believe in vaccinations

John Funsten (Alex Skuby) - A litigious clinic patient

Occam's Razor

Brandon Merrell (Kevin Zegers) - A college student

Mindy (Alexis Thorpe) - His girlfriend
Robert Merrell (John Kelly) - His father
Becky Merrell (Faith Prince) - His mother

Marco the Pharmacist (Marco Pelaez)

Jodi Matthews (Lauren Cohn) - A clinic patient who House figures is going to be fired soon.

Maternity

Baby Girl Hartig - A sick newborn

Karen Hartig (Ever Carradine) - Her mother

Ethan Hartig (Sam Trammell) - Her father

Baby Boy Chen-Lupino - Another sick newborn

Kim Chen (Alexandra Bokyun Chun) - One of his mothers
Judy Lupino (Melissa Marsala) - His other mother

Hospital Attorney (Cress Williams)

Dr. Lim (Kenneth Choi) - An obstetrician at PPTH

Dr. Kubisak (Ben Parrillo) - Another obstetrician

Jill (Hedy Burress) - A pregnant clinic patient who is not sure who the baby's father is

Charlie (Dwight Armstrong) - Her husband, the possible father.

Soap Opera Doctor (Marc Menard) - A character on Prescription Passion

Soap Opera Patient (Madison Bauer) - A character on Prescription Passion

Damned If You Do

Sister Mary Augustine (Elizabeth Mitchell) - A young nun with dermatitis

Sister Mary Eucharist (Lucinda Jenney) - Another nun who thinks Augustine is faking
Sister Mary Pius (Lori Rom) - A young nun who thinks Augustine has stigmata
Mother Superior (Ann Dowd) - Augustine's superior

Marvin (Dakin Matthews) - A Santa Claus in the clinic with irritable bowel

CT Tech (Taji Coleman)

The Socratic Method

Lucy Palmeiro (Stacy Edwards) - A schizophrenic with deep vein thrombosis

Luke Palmeiro (Aaron Himelstein) - Her son

Dr. Wells (Al Espinosa) - The emergency room doctor

Dr. Bergin (John Prosky) - A surgeon

Wendy (Veronica Leigh) - A young clinic patient who wants ice cream on her birthday

Terri (Lilas Lane) - Her calorie conscious mother

Clark (David Vegh) - A patient with hiccups

Fidelity

Elise Snow (Myndy Crist) - A patient with hypersomnia

Ed Snow (Dominic Purcell) - Her husband
Adam (Brennan Elliott) - Ed's jogging partner and Elise's lover
Jacques (Henri Lubatti) - Elise's boss

Samantha Campbell (Clementine Ford) - A buxom clinic patient.

Poison

Matt Davis (John Patrick Amedori) - A high school senior

Margo Davis (Roxanne Hart) - His mother

Chi Ling (Ulysses Lee) - A younger student with the same symptoms as Matt

Chou-Young Ling (Jim Lau) - His father
Jen Ling (Linda Wang) - His mother

Bus Driver (Andy Milder) - The school bus driver for Matt and Chi

Georgia Adams (Shirley Knight) - An older clinic patient with fantasies about younger men.

Mark Adams (Kurt Fuller) - Her son

DNR

John Henry Giles (Harry Lennix) - A famous jazz musician with ALS

Cora (Chloe Webb) - His manager
Marty Hamilton (David Conrad) - His neurologist and Eric Foreman's mentor during his residency
Ross (Michael Oberlander) - His lawyer

Willie (Mike Starr) - A diabetic clinic patient with erectile dysfunction.

Process Server (Courtney Henggeler)

Judge Winter (Victor Raider-Wexler) - The judge who hears House's application to keep John Henry alive until his assault trial.

Morris (Rif Hutton) - House's lawyer

Brandy Norwood - As herself

Histories

Victoria Madsen (Leslie Hope) - A homeless woman

Paul Furia - Her late husband
James Furia - Her deceased son

Julia (Smith Cho) - A medical student

Chris Dewey (Ogy Durham) - A medical student

Jodi (Leslie Karpman) - The women who the students are assigned to take a medical history of.

Angela Whitney (Suzanne Ford) - A plastic surgery follow up getting in the way of Victoria's MRI

Dr. Terhag - Her plastic surgeon

Shelly Diamond (Bonnie Perlman) - A mother with several potential clinic patients. House fakes a cold to get away from her.

Officer Gilmar (Larry Clarke) - The police officer who returns Victoria to the hospital

Detox

Keith Foster (Nicholas D'Agosto) - A high school student with bleeding issues

Mr. Foster (Mark Harelik) - His father
Pam (Amanda Seyfried) - His girlfriend
Jules - Their recently deceased cat

Dr. Hourani (Maurice Godin) - A surgeon

Ingrid (America Olivo) - House's masseuse

Sports Medicine

Hank Wiggen (Scott Foley) - A famous baseball pitcher.

Lola Wiggen (Meredith Monroe) - His wife
Warner Fitch (Art LaFleur) - His coach

Sharon (Salli Richardson-Whitfield) - A pharmaceutical rep who is sleeping with Foreman

Bryan Singer - As himself, directing Hank's commercial

Cursed

Gabriel Reilich (Daryl Sabara) - A young boy who thinks he's going to die

Jeffrey Reilich (Nestor Carbonell) - His father, a major donor to the hospital
Sarah Reilich (Tracy Middendorf) - His mother

Sam (R.J. Root) - A clinic patient with a numb left hand

Control

Carly Forlano (Sarah Clarke) - The young CEO of a cosmetics company

Robin (Vivian Bang) - Her assistant

Edward Vogler (Chi McBride) - The hospital's chairman and most important donor

Ricky van der Meer (Joshua Miller) - A young clinic patient

Mr. van der Meer (Andrew Borba) - His mute father

Dr. Simpson (Ron Perkins) - An orthopaedic surgeon and member of the board

Jenny (Sunny Mabrey) - A radiology resident

Mob Rules

Joey Arnello (Joseph Lyle Taylor) - A mob informant

Bill Arnello (Danny Nucci) - His brother, a lawyer

Henry (A.J. Trauth) - A man babysitting his baby brother

Henry's Baby Brother - A clinic patient with a habit of shoving things up his nose

Heavy

Jessica Simms (Jennifer Stone) - An obese 10 year old girl

Mrs. Simms (Cynthia Ettinger) - Her mother
Dr. Linkowitz - Her referring physician
Clementine (Alyson Morgan) - Jessica's 8th grade peer counsellor
Mr. Conroy (Teddy Lane Jr.) - Jessica's phys ed teacher
Mrs. Ayers (Karen Goberman) - Jessica's teacher

Lucille Hernandez (Susan Slome) - A Reubenesque woman with a large benign tumor

Mr. Hernandez (Ramon Franco) - Her loving husband

Role Model

Gary H. Wright (Joe Morton) - A senator running for president

Susan (Missy Crider) - A divorced woman who claims not to be having sex

Nurse (Bobbin Bergstrom)

Babies & Bathwater

Naomi Randolph (Marin Hinkle) - A pregnant woman

Sean Randolph (Michael Goorjian) - Her husband

Officer Davis (S.E. Perry) - The officer who pulls them over

Olive Kaplan - A seemingly malnourished infant

Joel Kaplan (Michael Simpson) - Her father
Rachel Kaplan (Natalie Shaw) - Her mother

Gail Friedman (Diane Sellers) - A social worker

Hayden Brown (Guy Camilleri) - A clinic patient with hemmhoroids

Kids

Mary Carroll (Skye McCole Bartusiak) - A 12 year old diver

Mr. Carroll (Dylan Kussman) - Her father
Mrs. Carroll (Kelly Kirklyn) - Her mother
Coach Stahl (Eddie McClintock) - Her coach

Brenda Previn (Stephanie Venditto) - The hospital's head nurse

Dr. Yule - Cameron's possible new boss

The candidates to replace Allison Cameron were:

Dr. Roger Spain (Ben Jelen)

Dr. Petra Gilmar (Erin Foster)

Dr. Arlene Marks (Shari Headley)

Love Hurts

Harvey Park (John Cho) - A masochistic patient

Annette Raines (Christina Cox) - His dominatrix
Clyde Park (Keone Young) - His estranged father
Marilyn Park (Elizabeth Sung) - His mother

Aubrey Shifren (Matt Malloy) - The hospital's attorney

Ramona (June Squibb) - An elderly woman with an overactive lover

Myron (Peter Graves) - Her paramour

Three Stories

The Farmer (Brent Briscoe) - A farmer with a puncture wound in his leg

Cujo - His pet dog

Volleyball Player (Andi Eystad) - A teenage girl with tendonitis

Mid 30s man (James Saxenmeyer) - A patient with a history of drug seeking behavior

Carmen Electra - Filling various roles in the flashbacks

Stacy Warner (Sela Ward) - House's ex-girlfriend

Dr. Riley - The usual lecturer who has used a lot of sick days

And in the audience of medical students:

Honeymoon

Mark Warner (Currie Graham) - Stacy's husband who is suffering from pain & mood swings

Ambulance Driver (Mark Hames) - The paramedic who arrives just after Mark is drugged by House

Season Two

Acceptance

Clarence (LL Cool J) - A death row inmate suffering from hallucinations

Dr. Nolo - A cardiologist who House describes as a worthless drunk

Cindy Kramer (Christie Lynn Smith) - A clinic patient who seems to have terminal cancer

Autopsy

Andie (Sasha Pieterse) - A 9 year old cancer patient

Pam (Jewel Christian) - Her mother

Brad (Randall Park) - A clinic patient who attempted a self-circumcision

Dr. Murphy (William Jones) - A neurosurgeon

Morty Randolph - A cadaver that the surgeons practice the procedure on

Motorbike Salesman (Jonathan Fraser)

Humpty Dumpty

Alfredo (Ignacio Serricchio) - Cuddy's handyman

Manny (J.R. Villarreal) - His younger brother
Luisa (Christine Avila) - His mother

Robert (Charles Robinson) - An African-American clinic patient with high blood pressure

TB or Not TB

Sebastian Charles (Ron Livingston) - A famous tuberculosis doctor

Cecilia Carter (Andrea Bendewald) - A clinic patient who thinks she has cancer

Mandy (Mary Wickliffe) - A clinic patient who is allergic to her mother's cat

Daddy's Boy

Carnell Hall (Vicellous Reon Shannon) - A young graduate of Princeton University

Ken Hall (Clifton Powell) - His father
Taddy (Wil Horneff) - One of his college friends

Spin

Jeff Forrester (Kristoffer Polaha) - A famous cyclist

Moira (Taraji P. Henson) - His manager

Dr. Louise Harper (Alanna Ubach) - A psychiatrist who is treating both Mark and Stacy Warner

Allen (Tom Lenk) - An ex-smoker with diarrhea

Hunting

Kalvin Ryan (Matthew John Armstrong) - A man suffering from AIDS

Michael Ryan (Wings Hauser) - His estranged father

Infection Control Officer (Hamilton Mitchell)

Steve McQueen - House's pet rat

The Mistake

Kayla McGinley (Allison Smith) - A young mother with intense stomach pain

Sam McGinley (Ryan Hurst) - Her brother
Dory McGinley (Sammi Hanratty) - Her daughter
Nikki McGinley (Adair Tishler) - Her daughter

Dr. Ayersman (John Rubinstein) - A transplant surgeon

Mrs. Ayersman (Kate Enggren) - His wife

Dr. Schisgal (John Lafayette) - The head of the disciplinary committee

Chuck (Greg Winter) - A clinic patient with no health insurance

Deception

Anica Jovanovich (Cynthia Nixon) - A woman who collapses at the OTB

Dr. Imelda (Xhercis Mendez) - A hospital pathologist

Hailey (Nell Rutledge) - A clinic patient with a poor understanding of contraception

Failure to Communicate

Fletcher Stone (Michael O'Keefe) - A famous journalist

Elizabeth Stone (Erica Gimpel) - His wife
Greta (Mimi Kennedy) - His editor

Peter Foster (Bruce French) - A Medicare review officer

Dr. Taylor - A neurologist House passed over for a fellowship before he hired Foreman

Delores Smith - A former patient of House who was prescribed Viagra

Need to Know

Margo Dalton (Julie Warner) - A busy mother and businesswoman

Ted Dalton (Edward Kerr) - Her husband
Stella Dalton (Elle Fanning) - Her daughter

Distractions

Adam (James Immekus) - A burn victim

Emily (Lisa Darr) - His mother
Doug (Christopher Cousins) - His father

Philip Weber (Dan Butler) - The man who got House expelled from Hopkins.

Anesthesiologist (Michael Merton) - Adam's anesthesiologist

Paula (Kristen Pate) - A prostitute

Skin Deep

Alex (Cameron Richardson) - A teenage supermodel

Martin (Tom Verica) - her father

George (James DuMont) - A man exhibiting pregnancy symptoms

Pregnant Woman (Karis Campbell) - His wife

Sex Kills

Henry Arrington (Howard Hesseman) - A 65 year old man

Amy Arrington (Keri Lynn Pratt) - His daughter
Cecile Arrington (Jean St. James) - His ex-wife

Laura Neuberger (Kitty Kreidler) - A 40 year old accident victim and possible organ donor

Ronald Neuberger (Greg Grunberg) - Her husband

Ellen Stambler (Yvette Nicole Brown) - The woman from the organ procurement agency

Tony (Adam Busch) - A young patient with a hot stepmother

Tony's Stepmom (Brianna Konefall)

Clueless

Bob Palko (Eddie Mills) - A photographer

Maria Palko (Samantha Mathjs) - His wife

Vincent Lambert (Peter Birkenhead) - A clinic patient with herpes

Charlotte Lambert (Stephanie Erb) - His wife

Wilson's Maid (Yareli Arizmendi)

Safe

Melinda Bardach (Michelle Trachtenberg) - A young heart transplant recipient

Barbara Bardach (Mel Harris) - Her mother
Lewis Bardach (Lance Guest) - Her father
Dan (Jake McDorman) - Her boyfriend
Melinda's Cardiologist

All In

Ian Alston (Carter Page) - A young boy with bloody diarrhea

Sarah Alston (Laura Allen) - His mother
Alan Alston (Mackenzie Astin) - His father

Esther Doyle - A deceased 73 year old patient who House failed to diagnose 12 years previously

Sleeping Dogs Lie

Hannah (Jayma Mays) - A young woman with severe insomnia

Max (Dahlia Salem) - Her partner

Mrs. Ling (Alice Lo) - A middle aged Chinese clinic patient

Anne Ling (Julia Ling) - Her teenage daughter and translator

House vs. God

Boyd (Thomas Dekker) - A young faith healer

Walter (William Katt) - His father

Grace Palmieri (Tamara Braun) - A cancer patient

House's poker buddies

Euphoria (Part 1 and 2)

Joe Luria (Scott Michael Campbell) - A police officer

Babyshoes (Chioke Dmachi) - The thief Luria was chasing

Rose (Amber DeMarco) - A young clinic patient who may have epilepsy

Claire (Leigh Allyn Baker) - Her overly concerned mother

Forever

Kara Mason (Hillary Tuck) - A young mother

Brent Mason (Kip Pardue) - Her husband
Michael "Mikey" Mason - Their infant son

Who's Your Daddy?

Leona (Aasha Davis) - A young hurricane Katrina survivor

Dylan Crandall (D.B. Sweeney) - Her biological father, and an old friend of House

Max (Owen Pearce) - A young clinic patient with an unusual rash

Max's Mother (Tuffet Shemelzle)

Patrick Linehan (Christopher Carley) - A sperm donor

No Reason

Vince (Chris Tallman) - A man with a severely swollen tongue

Judy (Michelle Clunie) - A hallucination House thinnks is Vince's wife

Jack Moriarty (Elias Koteas) - A man who shoots House

Season Three

Meaning

Richard McNeil (Edward Edwards) - An uncommunicative cancer survivor

Arlene McNeil (Kathleen Quinlan) - His wife
Mark McNeil (Carter Jenkins) - His son

Caren Krause (Clare Kramer) - A young woman who can't move her legs

Cane & Able

Clancy Green (Skyler Gisondo) - A young boy who thinks he's being stalked by aliens

Todd Green (Johnny Sneed) - His father
Stephanie Green (Sheryl Lee) - His mother

Informed Consent

Ezra Powell (Joel Grey) - A research scientist

Ali (Leighton Meester) - A 17 year old who develops an infatuation with House

Mark (William Charlton) - Her father, a clinic patient

Lines in the Sand

Adam Kelvey (Braeden Lemasters) - A young autistic boy

Dominic Kelvey (Geoffrey Blake) - His father
Sarah Kelvey (Heather Kafka) - His mother

Laura Smith (Kat Sawyer) - A clinic patient who has a stool sample

Thomas Williams (Johnny Crear) - A clinic patient with no back pain

Fools for Love

Tracy (Jurnee Smollett) - A young woman

Jeremy (Ricky Ullman) - Her husband

Nurse Wendy (Kimberly Quinn) - Eric Foreman's girlfriend

Michael Tritter (David Morse) - A police detective who House mistreats in the clinic

Que Será Será

George (Pruitt Taylor Vince) - A morbidly obese coma patient

Sophie (Mary Elizabeth Ellis) - His neighbour

Howard Gemeiner (Kadeem Hardison) - House's lawyer

John (Cooper Thornton) - A clinic patient whose arm hurts when he sleeps on it

Son of Coma Guy

Kyle Wozniak (Zeb Newman) - A young alcoholic

Gabriel "Gabe" Wozniak (John Larroquette) - His father, a recent coma patient

Mrs. Shaffer (Holly Kaplan) - The woman Wilson makes a pass at in the casino

Fake House (Jonathan Strait) - The man who sets up House's alibi

Whac-a-Mole

Jack Walters (Patrick Fugit) - A young pizza place worker

Kama Walters (Cassi Thomson) - His younger sister
Will Walters (Tanner Blaze) - His younger brother

Finding Judas

Alice Hartman (Alyssa Shafer) - A young girl with skin rashes

Rob Hartman (Christopher Gartin) - Her father
Edie (Paula Cale) - Her mother, Rob's ex-wife

Judge (Jodi Long)

Merry Little Christmas

Abigail Ralphean (Kacie Borrowman) - A teenage girl of short stature

Maddy Ralphean (Meredith Eaton) - Her equally short statured mother

Little Girl (Shyann McClure) - A girl with an ambiguous stuffed animal

Clinic Doctor (Michael Medico) - A doctor at St. Sebastian's hospital

Mr. Zebalusky - A terminal cancer patient

Mrs. Zebalusky (Teddy Vincent) - His wife

Words and Deeds

Derek Hoyt (Tory Kittles) - A firefighter

Brock Hoyt (Jason George) - His brother
Amy (Meagan Good) - Derek's colleague

At the rehabilitation clinic

Neil (Donald Sage Mackay) - the therapist
Ivan (aka Voldemort) (Brian Leckner) - the orderly

In Court

One Day, One Room

Eve (Katheryn Winnick) - A young rape victim

Hiccupping Patient (Nick Slatkin)

Dr. Stone (Michelle Gardner) - A rape counsellor

Patient One (Randy Evans) - A young man with STD symptoms

Patient Three (Bryna Weiss) - An older woman with STD symptoms

Nose Patient (Roger Ainslie) - A well dressed man with nose fungus

Beauty (Kristen Glass) - A patient who costs House $10

Kid (Drew Matthews) - A young man who swallowed a kitchen magnet

Father (Sean Christopher Davis) - His father

Ear Patient (Todd Sandler) - A man with an insect in his ear

Needle in a Haystack

Stevie Lipa (Jake Richardson) - A young Roma man

Franklin Lipa (Rob Brownstein) - His father
Judy Lipa (Arabella Field) - His mother
Leah (Jessy Schram) - His girlfriend

Jack (Tyrace Richardson) - A young boy trying to avoid school

Kate (Tasha Taylor) - His mother

Dr. Julie Whitner (Wendy Makkena) - A handicapped research physician

Dr. Chen (Hira Ambrosino) - An anesthesiologist

Insensitive

Hannah Morgenthal (Mika Boorem) - A teenager with CIPA

Abby Morgenthal (Jenny Robertson) - Her mother

Don Herrick (Josh Stamberg) - Cuddy's date

Half-Wit

Patrick Obyedkov (Dave Matthews) - A musical savant

Dr. Obyedkov (Kurtwood Smith) - His father

Heels patient (Kendra Cover) - A suspiciously thin clinic patient

Top Secret

John Kelley (Marc Blucas) - A Gulf War veteran

Gina (Annie Quinn) - A clinic patient who drinks a lot of water

Fetal Position

Emma Sloan (Anne Ramsay) - A pregnant photographer

Tyson Ritter - As himself

Airborne

Fran (Jenny O'Hara) - A wild woman in her fifties

Robin (Meta Golding) - A prostitute
Carrington - Her cat

Peng (Jamison Yang) - A Korean passenger

Keo (Tess Lina) - The flight attendant

Joy the Blonde (Krista Kalmus) - A young woman passenger

Businesswoman (Gayla Goehl) - A passenger with herpes

Businessman (Ben Carroll) - Her companion, who by coincidence is carrying medicine for herpes

House's back-up team

Hamid (Pej Vahdat) - As Foreman
12-Year-Old Boy (Connor Webb) - As Chase
Sour Faced Woman (Melissa Kite) - As Cameron

Act Your Age

Lucy (Bailee Madison) - A young girl with symptoms of a woman ten times her age

Deran (Erich Anderson) - Her father
Jasper (Slade Pearce) - Her older brother
Janie (Carla Gallo) - The children's afterschool day care worker

Eddie (Joel Moore) - A bladder shy clinic patient

House Training

Lupe (Monique Gabriela Curnen) - A frequently unemployed young woman

Family

Matty (Dabier) - A young man who is the only bone marrow match for his sick brother

Nick (Jascha Washington) - His older brother, suffering from leukemia
Scott (Thomas Mikal Ford) - Their father
Claudia (Adina Porter) - Their mother

Hector - James and Bonnie Wilson's dog.

Resignation

Addie (Lyndsy Fonseca) - A young college student

Jody (Eve Gordon) - Her mother
Tony (Tony Spiridakis) - Her father

Steve Howard (Tracy Howe) - A young man with floating stool

Honey (Piper Perabo) - His hot girlfriend

The Jerk

Nate (Nick Lane) - A rude teenager

Enid (Colleen Flynn) - His mother

Doug (David Bowe) - A sunburned clinic patient

Mark (Dustin Joiner) - His son

Human Error

Marina Hernandez (Mercedes Renard) - A Cuban woman

Esteban Hernandez (Omar Avila) - Her husband

Dr. Cuddy's class

Season Four

Alone

Megan Bradberry (Bevin Prince) - A trauma victim

Mrs. Bradberry (Kay Lenz) - Her mother
Ben (Conor Dubin) - Her boyfriend
Liz Masters (Liliya Toneva) - Her co-worker, injured in the same event
Doug (Shannon McClung) - Liz's boyfriend

Leon aka Dr. Buffer (Pat Millicano) - The hospital janitor

Sam Lee (Ken Takemoto) - A cancer patient

The Right Stuff

Greta Cooper (Essence Atkins) - A prospective astronaut

The Applicants

Dr. Amber Volakis (Anne Dudek) - Interventional radiologist, cutthroat b*tch
Dr. Jeffrey Cole (Edi Gathegi) - Geneticist, devout Mormon
Henry Dobson (Carmen Argenziano) - Fake doctor
Dr. Travis Brennan (Andy Comeau) - Infectiologist
Dr. Jodi Desai (Meera Simhan) - Former veterinarian
The Twins (Melinda Dahl and Caitlin Dahl)
Dr. Ashka (Heather Fox) - A foreign trained doctor
Dr. Mason (Jonathan Sadowski)
Dr. O'Reilly (Jason Manuel Olazabal) - A wheelchair bound doctor
Beautiful Doctor (#19) (Jaimarie Bjorge)

97 Seconds

Thomas Stark (Brian Klugman) - A wheelchair bound patient

Mark Allmore (Charlie Hofheimer) - A man who has had a near death experience

Foreman's colleagues at New York Mercy

Dr. Schaffer (Kathleen York) - Foreman's boss
Female Fellow (Mary Kate Schellhart)
Handsome Fellow (Raynaldo Rosales)
Latino Fellow (Douglas Spain)

Guardian Angels

Irene (Azura Skye) - A funeral home cosmetician

Connie (Caroline Lagerfelt) - Her mother
Martin (Jerry Hauck) - Her co-worker

Eric Foreman's interviewers

Mirror Mirror

Mr. X (Frank Whaley) - A patient who acts like whoever is around him

Whatever It Takes

Casey Alfonso (Amy Dudgeon)

Lou Alfonso (Thomas F. Wilson) - Her father

John (Joel Bissonnette) - A sick CIA Agent

At the CIA

Dr. Samira Terzi (Michael Michele) - The attending physician

Dr. Sidney Curtis (Holmes Osborne) - A renowned immunologist

CIA Agent Smith (Chad Willett)

Ugly

Kenny Arnold (Khleo Thomas) - A young man with a severe facial deformity

Joe Arnold (Michael Whaley) - His father
Darnell (Laurie Fortier) - The documentarian

Plastic Surgeon (David Campbell) - Taub's former partner

You Don't Want to Know

Flynn (Steve Valentine) - A magician

Games

Jimmy Quidd (Jeremy Renner) - A punk rock musician

McKenna (Matt DeCaro) - Wilson's misdiagnosed cancer patient

It's a Wonderful Lie

Maggie (Janel Moloney) - A young mother

Jane (Liana Liberato) - Her daughter
Roger (Anthony Starke) - Her lover

Melanie (Jennifer Hall) - A clinic patient who House identifies as a prostitute

Frozen

Dr. Cate Milton (Mira Sorvino) - A research psychiatrist stationed at the South Pole

Seth (Jeffrey Hephner) - The station's mechanic

Don't Ever Change

Roz (Laura Silverman) - A newlywed Hassidic Jew

Yonatan (Eyal Podell) - Her husband

No More Mr. Nice Guy

Jeff (Paul Rae) - A man who seems too nice to exist

Deb (Chad Morgan) - His wife, a nurse at the hospital

Living The Dream

Evan Greer (Jason Lewis) - The actor who plays Dr. Brock Sterling on Prescription Passion

Marie (Kristina Anapau) - One of his co-stars

Dr. Jamie Conway (Rob Benedict) - An inspector from the accreditation board

House's Head

Bus driver (Henry Hayashi) - The bus driver in a bus crash

Woman in Black (Ivana Milicevic) - A woman in House's visions of the bus

Bartender (Fred Durst) - The bartender at the bar where House was earlier that night

Stripper (Jennifer Lee Wiggins)

Wilson's Heart

Amber Volakis - Wilson's badly injured girlfriend

Dr. Richmond (Dan Desmond) - Amber's attending at Princeton General

Season Five

Dying Changes Everything

Lou (Christine Woods) - A personal assistant

Patty Michener (Jamie Rose) - Her boss

Not Cancer

Apple (Felicia Day) - A mathematics professor

Frank (Eric Kaldor) - An old man who received a transplant from the same donor as Apple

Frank's Wife (Elaine Kagan)

Lucas Douglas (Michael Weston) - A private detective

The other transplant recipients

Holly (Aimee Bell) - the tennis player
Danny (Dennis Kieffer) - the MMA fighter
- Rico (David Anthony Buglione) - the losing MMA fighter
Morgan (Michael Gaines) - the crane operator
Tibalt Olyyant (Mark Beltzman) - the music teacher

Adverse Events

Brandon (Breckin Meyer) - An artist with perception problems

Heather (Marika Dominczyk) - His girlfriend
Anthony (Drew Powell) - A dissatisfied client
- Susan (Sarah Knowlton) - Anthony's Wife

Birthmarks

Nicole (Samantha Quan) - A Chinese adoptee

Janice (Christine Healy) - Her adoptive mother
Bob (Scott Paulin) - Her adoptive father
Fang Dong Wen (Ho-Kwan Tse) - Her Chinese translator
Wu Zheng (Raymond Ma) - Her biological father
Wu An Lan (Esther Kwan) - Her biological mother

Sheriff Costello (Jack Conley)

Lucky Thirteen

Spencer (Angela Gots) - Thirteen's one night stand

Joy

Jerry Harmon (Salvator Xuereb) - A product tester

Samantha Harmon (Joanna Koulis) - His daughter

Becca (Vanessa Zima) - The mother of Cuddy's prospective adopted baby

The Itch

Stewart Nozick (Todd Louiso) - An agoraphobic tech manual writer

Emancipation

Sophia Isabel Velez (Emily Rios) - An emancipated minor

Jona (Kyle Silverstein) - A four-year-old boy and Foreman's first solo case

Melinda (Alexandra Lydon) - His mother
Evan (Nathan Gamble) - His eight-year-old brother

Last Resort

Jason (Željko Ivanek) - A desperate patient with an undiagnosed condition

Bowman (Wood Harris) - The chief tactical officer during the hostage taking

The Hostages

Oliver (Evan Peters) - A teenage boy and the last non-doctor hostage
Bill (Evan Jones) - The pregnant woman's husband
Mitch (Marcus Chait) - The man Jason shoots.
Larry (Alex Sol) - The migrane patient
Nikki (Sarah Thompson) - The red haired woman
Sandra (Natasha Gregson Wagner) - The pregnant woman
Nurse Regina (Tracy Vilar) - The nurse.

Let Them Eat Cake

Emmy (Samantha Shelton) - A fitness guru

Janice Burke (Lori Petty) - A Huntington's patient in Foreman's clinical trial

Deedee (Becky Baeling) - An actress House hires to bust Kutner's second opinion website

Joy to the World

Natalie Soellner (B.K. Cannon) - A sick teenager and Rachel Cuddy's biological mother

Simon (Lucas Till) - Her friend from school and Rachel's biological father
Mrs. Soellner (Sherilyn Fenn) - Natalie's mother
Mr. Soellner (Michael Leydon Campbell) - Natalie's father

Whitney (Bitsie Tulloch) - A pregnant woman who claims never to have had sex

Geoff (John Forest) - Her skeptical fiance

Squatter (Christopher DeMaci) - A man living in an abandoned home

Woman (Marissa Ingraci) - His companion

Jonathan (Ben Shields) - The man Kutner bullied in high school

Painless

Jeff (Martin Henderson) - A man suffering from chronic pain

Zach (Jake Cherry) - His son
Lynne (Sarah Danielle Madison) - His wife

Big Baby

Sarah (Erika Flores) - A special needs teacher

The Greater Good

Dana Miller (Judith Scott) - An assistant chef and former oncologist

Unfaithful

Daniel Bresson (Jimmi Simpson) - A priest at a mission

Ryan (Jake Thomas) - A boy who accused him of improper behavior

The Softer Side

Jackson Smith (Dominic Scott Kay) - A boy who was born with ambiguous sexuality

Melanie Smith (Julia Campbell) - His mother
Joseph Smith (Ben Reed) - His father

Ian (Nick Puga) - A clinic patient with a broken finger

The Social Contract

Nick Greenwald (Jay Karnes) - A book editor who can't stop saying what he thinks

Audrey Greenwald (Susan Egan) - His wife
Marika Greenwald (Darcy Rose Byrnes) - His daughter
Timothy Moore (Devon Michaels) - The author he's working with

Here Kitty

Morgan West (Judy Greer) - A nurse at an elderly care facility

Debbie - The cat that predicts death

Neil Zane (Christopher Moynihan) - A man claiming to be an old friend of Taub's

Locked In

Lee (Mos Def) - A patient with locked-in syndrome

Molly (Faune A. Chambers) - His wife
Jolie (Skye Barrett) - His daughter
Drake (Scotty Noyd Jr.) - His son
Dr. Kurtz (John Kapelos) - His first attending physician

Simple Explanation

Charlotte Novack (Colleen Camp) - A middle-aged woman

Eddie Novack (Meat Loaf) - Her terminally ill husband

Rosabel (Taylor Hardick) - A young pageant contestant

Katherine (Debbie Campbell) - Her mother

Nurse Anne (Liz Benoit)

Saviors

Doug Svensen (Tim Rock) - An environmental activist

Franni Svensen (Lindsey McKeon) - His wife

Amber hallucination (Anne Dudek)

House Divided

Seth Miller (Ryan Lane) - A deaf high-school wrestler

Ellie Miller (Claire Carey) - His mother
Laura (Treshelle Edmond) - His girlfriend

Karamel (Becky O'Donohue) - A stripper

Under My Skin

Penelope (Jamie Tisdale) - A ballerina

Jeremy (Alex Schemmer) - Her boyfriend and co-star

Both Sides Now

Scott (Ashton Holmes) - A man with alien hand syndrome

Annie (Maria Thayer) - His wife

Eugene Schwartz (Carl Reiner) - A clinic patient who squacks

Kutner hallucination (Kal Penn)

Season Six

Broken

The Patients

Gregory House (Hugh Laurie) - A psychotic physician
Juan "Alvie" Alvarez (Lin-Manuel Miranda) - His bipolar roommate
Steve/Freedom Master (Derek Richardson) - A PTSD patient with delusions
Richter (Curtis Armstrong) - A paranoid
Susan (Angela Bettis) - A suicidal patient
Hal Connor (Jack Plotnick) - A man who likes Haldol
Diane (Artemis Pebdani) - A patient with self-esteem issues
Jay-Bird (Alex Desert) - A claustrophobe
Duane "Stomp" Milbrett (Dale E. Turner) - An uncommunicative patient
Annie "Silent Girl" Bohm (Ana Lenchantin) - A withdrawn patient

The Staff

Dr. Darryl Nolan (Andre Braugher) - Head of department
Dr. Beasley (Megan Dodds) - Head of Ward 6
Dr. Medina (Andrew Leeds) - Assistant physician

Lydia (Franka Potente) - Annie's sister-in-law and frequent visitor

Epic Fail

Vince Pearson (Rick D. Wasserman) - A videogame developer

Cecile (Freda Foh Shen) - A woman from House's cooking class

The Tyrant

President Dibala (James Earl Jones) - An African dictator

Ruwe (Garikayi Mutambirwa) - A man who attempts to kill Dibala
Colonel Joseph Ntila (Roger Aaron Brown) - Dibala's aide
Dibala's Son (Jarell Dubose) - Dibala's estranged youngest son, attending Princeton University
Ama (Kelsey Scott) - A woman who is enlisted to provide blood serum

Murphy (David Marciano) - Wilson's angry neighbor