Robin Williams
Patch Adams
Daniel London
Truman
Monica Potter
Carin
Philip Seymour Hoffman
Mitch
Bob Gunton
Dean Walcott
Josef Sommer
Dr. Eaton
Irma P. Hall
Joletta
Frances Lee McCain
Judy
Harve Presnell
Dean Anderson
Daniella Kuhn
Adelane
Peter Coyote
Bill Davis
James Greene
Bile
Michael Jeter
Rudy
Harold Gould
Arthur Mendelson
Bruce Bohne
Trevor Beene
Harry Groener
Dr. Prack
Barry Shabaka Henley
Emmet
Steven Anthony Jones
Charlie
Richard Kiley
Dr. Titan
Douglas Roberts
Larry
Ellen Albertini Dow
Aggie
Alan Tudyk
Everton
Ryan Hurst
Neil
Peter Siteri
Chess Man
Don West
Instructor
Domenique Lozano
Passerby
Ralph Peduto
Organizer
Ken Hoffman
Big Texan
Roy Conrad
E.R. Doctor
Jay Jacobus
Jack Walton
Dot-Marie Jones
Miss Meat
Geoff Fiorito
3rd Year Student
Samuel Sheng
3rd Year Student
Kathleen Stefano
Margery
Alex Gonzalez
Hispanic Boy
Ismael 'East' Carlo
Hispanic Father
Jake Bowen
Bryan
Sonya Eddy
Older Waitress
Greg Sestero
Jaime
Jason Aaron Baca
Patch Pirate
Diane Amos
Older Waitress
Andy Arness
Orderly (uncredited)
Renee Rogers
Receptionist
Norman Alden
Truck Driver
Piers Mackenzie
Dr. Hashman
Richard J. Silberg
Psych Patient
James Anthony Cotton
Psych Patient
Michael X. Sommers
Psych Patient
David Fine
Psych Patient
James Carraway
Psych Patient
J. Stephen Coyle
Psych Patient
Wanda McCaddon
Woman in Lobby
Wanda Christine
Nurse Klegg
Lorri Holt
Pediatric Nurse
Stephanie Smith
Laughing Nurse
Mary DeLorenzo
Nurse
Vivis Colombetti
Hysterical Woman (as Vivis)
Donna Kimball
Waitress
Lydell M. Cheshier
Younger Man
Kelvin Han Yee
Orderly (as Kelvin Yee)
Doreen Foo Croft
Asian Woman (as Doreen Chou Croft)
Bill Roberson
Fred Jarvis
Randy Oglesby
Pinstriped Man
Vilma Vitanva
Maria (as Vilma Vitanza)
Bonnie Johnson
Walcott's Secretary
Karen Pavlick
Mrs. Davis (as Karen Michel)
James Allen
Ed
Katherine Fitzhugh
Mrs. O'Bannon (as Katherine A. Fitzhugh)
Kyle Timothy Smith
Davis Son
Jonathan Holder
Davis Son
Shannon Orrock
Receptionist
George Lee
Boardroom Doctor (as George Lee Masters)
Dan P. Hannafin
Boardroom Doctor (as Daniel P. Hannafin)
Roger W. Durrett
Boardroom Doctor
Ralph David Westfall
Gynecologist
Thom McIntyre
Gynecologist
Michael Stanton Kennedy
Gynecologist (as Michael Kennedy)
David Acuff
Dr. Anderson (uncredited)