Zach Braff
John 'J.D.' Dorian (24 eps)
Donald Faison
Christopher Turk (24 eps)
John C. McGinley
Perry Cox (24 eps)
Sarah Chalke
Elliot Reid (24 eps)
Judy Reyes
Carla Espinosa (24 eps)
Ken Jenkins
Bob Kelso (24 eps)
Neil Flynn
Janitor (24 eps)
Travis Schuldt
Keith (18 eps)
Christa Miller
Jordan Sullivan (16 eps)
Sam Lloyd
Ted Buckland (12 eps)
Christina Miles
Gloria (9 eps)
Jordan Zucker
Lisa (8 eps)
Johnny Kastl
Doug Murphy (8 eps)
Michael Learned
Mrs. Wilk (7 eps)
Aaron Ikeda
Rex (5 eps)
Frank Encarnacao
Dr. Mickhead (5 eps)
Michael Hobert
Lonnie (5 eps)
Shaughn Buchholz
Cabbage / Jason (4 eps)
Randall Keenan Winston
Leonard (4 eps)
Kattia Ortiz
Nurse Kattia (3 eps)
Paul F. Perry
Randy (3 eps)
Charles Rahi Chun
Dr. Wen (3 eps)
George Miserlis
Crispin (3 eps)
Philip McNiven
Roy (3 eps)
Mandy Moore
Julie (2 eps)
Keli Daniels
Nurse (2 eps)
Tom Schmid
Fellowship Director (2 eps)
Scott Rabideau
Intern (2 eps)
Greg Allen Johnson
Older Gentleman (2 eps)
Bernard Bruce
Old Man (2 eps)
Rene Hall
Renee (2 eps)
Yvonne Arias
Nurse Martinez (2 eps)
Elizabeth Banks
Dr. Kim Briggs (2 eps)
Jay Kenneth Johnson
Dr. Matthews (2 eps)
Meredith Roberts Quill
Kathy (2 eps)
Andrew Miller
Baby Jack (2 eps)
Sarah Lancaster
Lisa (1 eps)
Cheryl Hines
Paige (1 eps)
Brent Weber
Larry (1 eps)
Gary Busey
Gary Busey (1 eps)
Josh Randall
Jake (1 eps)
David Warshofsky
Dave Bradford (1 eps)
Eamonn Roche
Mr. Clark (1 eps)
Paul Adelstein
Dr. Stone (1 eps)
Jason Bateman
Mr. Sutton (1 eps)
Markie Post
Lily Reid (1 eps)
Dave Foley
Dr. Hedrick (1 eps)
Alexander Chaplin
Mr. Thompson (1 eps)
Peter Jacobson
Mr. Foster (1 eps)
Maria Menounos
Tamara (1 eps)
Erica O'Keith
Whitney (1 eps)
Marisa Petroro
Cavewoman (1 eps)
Jordan Murphy
Robot Groom (1 eps)
Josh Hammond
Razor (1 eps)
Billy Dee Williams
Billy Dee Williams (1 eps)
Juanita Jennings
Dr. Munson (1 eps)
Jerod Mixon
Herbert (1 eps)
Paul Hipp
Marc (1 eps)
Meredith Bishop
Melissa (1 eps)
Joe Costanza
Mr. Kellerman (1 eps)
Opender Singh
Omar (1 eps)
Joe Souza
Guy (1 eps)
J.P. Manoux
Charlie (1 eps)
Sloan Robinson
Cafeteria Worker (1 eps)
John Siciliano
Homeless Guy (1 eps)
Dakota Sky
Kid (1 eps)
Matthew J. Evans
Kid (1 eps)
Kerris Dorsey
Kid (1 eps)
Michael Merton
Mr. Keck (1 eps)
Duane R. Shepard Sr.
Mr. Morrison (1 eps)
Geoffrey Wade
Dr. Bailey (1 eps)
Thomas Bankowski
Stoned Orderly (1 eps)
Paul Raci
Drunk Guy (1 eps)
Carol Hickey
Mrs. Donnelly (1 eps)
Wesley Leong
Mr. Kwan (1 eps)
Nami Paix
Mrs. Kwan (1 eps)
Ryan Boone
Elliot's Date (1 eps)
John Serembe
Mr. Jenkins (1 eps)
Thomas Crawford
Mr. Peele (1 eps)
Mary Pat Dowhy
Mrs. Peele (1 eps)
Sarieha Alsawaf
Sexy Patient (1 eps)
Brian Hawley
Husband (1 eps)
Beverly Polcyn
Dyslexic Woman (1 eps)
Ric Sarabia
S&M Guy (1 eps)
David Downs
Mr. Bolger (1 eps)
India King
Elliot's Intern (1 eps)
Allison Smith
Millie (1 eps)
Gerald Downey
Jimmy (1 eps)
David Doty
Priest (1 eps)
Jo Deodato Clark
Mrs. Nickels (1 eps)
Tangelia Rouse
Mrs. London (1 eps)
Stacey Hinnen
Mr. Morgan (1 eps)
Becca Battoe
Nurse (1 eps)
Bobby Foster
Janitor's Cronie (1 eps)
Callard Harris
Guy (1 eps)
Kellie Madison
Girl (1 eps)
Jack Yang
Patient (1 eps)
Kareem Abdul-Jabbar
Kareem Abdul-Jabbar (1 eps)
Nathan Lee Graham
Eric / Devin (1 eps)
J.B. Ghuman Jr.
Mark (1 eps)
J.R. Starr
Mr. Burton (1 eps)
Aly Carpenter
Girl (1 eps)
Mike Kersey
Patient (1 eps)
Alicia Fusting
Patient (1 eps)
Michael Janik
Patient (1 eps)
Janet Carroll
Mrs. Cooke (1 eps)
Eve Brent
Mrs. Harris (1 eps)
Robert Martin Robinson
Mr. Borland (1 eps)
Monica Garcia Pérez
Sperm Bank Nurse (1 eps)
David Martel
Person in Line (1 eps)
Traber Burns
Mr. Russell (1 eps)
James Curreri
Larry (1 eps)
Wes Robinson
Jake (1 eps)
Mary Kate Schellhardt
Carol (1 eps)
David St. James
Mr. Sommers (1 eps)
Keith Western
Dr. Ricky (1 eps)
Debi Wright
Nurse (1 eps)
Sabin Rich
Stanley (1 eps)
Charles Butler
Father Rosenberg (1 eps)
Rebecca Metz
Volunteer Woman (1 eps)
Hans Raith
German Guy (1 eps)
Jeffrey Stubblefield
Frank (1 eps)
Weston Nathanson
Old Man (1 eps)
Mark McDaniels
Leslie (1 eps)
Susan Bolles
Mrs. Zeltzer (1 eps)
Noel Arthur
Frat Guy (1 eps)
Britt Erickson
Claire (1 eps)
Jack Axelrod
Italian Man (1 eps)
Christine Ashe
Patient (1 eps)
Abigail Droeger
Kid (1 eps)
Henry LeBlanc
Eric McNair (1 eps)
Kateri DeMartino
Nurse (1 eps)
Bill J. Stevens
Board Member (1 eps)
Hunter Huston
Intern (1 eps)
Lyn Alicia Henderson
Rebecca (1 eps)
Rachel Avery
Jenny (1 eps)
Beans Morocco
Artie (1 eps)
Rachel Winfree
Jill's Mom (1 eps)
Patrick Mulderrig
Man (1 eps)
Ming Lo
Dr. Kim (1 eps)
Paul Shively
Mr. Ketay (1 eps)
Mike Peebler
Patient (1 eps)
Brad Sachs
Patient (1 eps)
Rowbie Orsatti
Pilgrim Kid (1 eps)
Hayden Bromberg
Kid (1 eps)
Carole Goldman
Mrs. Goldstein (1 eps)
Keith Allan
Bartender (1 eps)
Greg Wittman
Intern (1 eps)
Matt Bush
Teenage Boy (1 eps)
John David Conti
Patient (1 eps)
Kris Iyer
Dr. Rotinaj (1 eps)
Johnny Crear
Mr. Peters (1 eps)
Dan Ponce
Greaser (1 eps)
Leon David Franco
Greaser (1 eps)
Edward Tinney
Dr. Fulton (1 eps)
Bob Bencomo
Colonel Doctor (1 eps)
Mike Schwartz
Lloyd (1 eps)
Bob Clendenin
Dr. Zeltzer (1 eps)
Tom Cavanagh
Dan Dorian (1 eps)
Joe Rose
Troy (1 eps)
Nicole Sullivan
Jill Tracy (1 eps)
Peter Choi
Sushi Chef (1 eps)
Rachel Jackson
Nurse (1 eps)
Michelle Shore
Person in Line #2 (1 eps)
Susan Yee
Person in Line #3 (1 eps)
Juanita Tyler-McGruder
Person in Line #4 (1 eps)
Alisha Gaddis
Nurses Aide (uncredited) (1 eps)