Tom Shadyac Director Robin Williams Hunter "Patch" Adams Actor Daniel London Truman Schiff Actor Monica Potter Corrine Fisher Actor Philip Seymour Hoffman Mitch Roman Actor Bob Gunton Dean Walcott Actor Josef Sommer Dr. Eaton Actor Irma P. Hall Joletta Actor Frances Lee McCain Judy Actor Harve Presnell Dean J.P. Anderson Actor Daniella Kuhn Adelane Actor Jake Bowen Bryan Actor Peter Coyote Bill Davis Actor James Greene Bile Actor Michael Jeter Rudy Actor Harold Gould Arthur Mendelson Actor Richard Kiley Dr. Titan Actor Douglas Roberts Larry Silver Actor Steve Oedekerk Screenwriter Mike Farrell Producer Barry Kemp Producer Marvin Minoff Producer Charles Newirth Producer Marsha Garces Williams Executive Producer Phedon Papamichael Cinematographer Don Zimmerman Film Editing Marc Shaiman Original Music Linda DeScenna Production Design James Nedza Art Director Ric McElvin Set Decoration Judy L. Ruskin Costume Design Debra Zane Casting