ຕົວຢ່າງ
ນັກສະແດງ
Randy Oglesby
Pinstriped Man
Ryan Hurst
Neil
Don West
Instructor
Ralph Peduto
Organizer
James Anthony Cotton
Psych Patient
Vivis Colombetti
Hysterical Woman (as Vivis)
Robin Williams
Patch Adams
Irma P. Hall
Joletta
Frances Lee McCain
Judy
James Greene
Bile
Ismael 'East' Carlo
Hispanic Father
Ellen Albertini Dow
Aggie
Alan Tudyk
Everton
Greg Sestero
Jaime
Bonnie Johnson
Walcott's Secretary
David Fine
Psych Patient
Richard Kiley
Dr. Titan
James Carraway
Psych Patient
Donna Kimball
Waitress
Karen Pavlick
Mrs. Davis (as Karen Michel)
Bob Gunton
Dean Walcott
Lorri Holt
Pediatric Nurse
James Allen
Ed
Monica Potter
Carin
Bruce Bohne
Trevor Beene
Sonya Eddy
Older Waitress
Barry Shabaka Henley
Emmet
Norman Alden
Truck Driver
Daniel London
Truman
Douglas Roberts
Larry
Dot-Marie Jones
Miss Meat
Andy Arness
Orderly (uncredited)
Harve Presnell
Dean Anderson
Michael Stanton Kennedy
Gynecologist (as Michael Kennedy)
Peter Coyote
Bill Davis
Michael Jeter
Rudy
Michael X. Sommers
Psych Patient
Bill Roberson
Fred Jarvis
Kelvin Han Yee
Orderly (as Kelvin Yee)
Philip Seymour Hoffman
Mitch
Josef Sommer
Dr. Eaton
Daniella Kuhn
Adelane
Harold Gould
Arthur Mendelson
Harry Groener
Dr. Prack