Trailer
Images
 | Alan Arkin as Simon Mendelssohn |
 | Madeline Kahn as Dr. Cynthia Mallory |
 | William Finley as Fichandler |
 | Wallace Shawn as Eric Van Dongen |
 | Max Wright as Leon Hundertwasser |
 | Fred Gwynne as Maj. Gen. Korey |
 | Austin Pendleton as Dr. Carl Becker |
 | Judy Graubart as Lisa |
 | Adolph Green as Commune Leader |
 | Keith Szarabajka as Josh |
 | Ann Risley as Pam |
 | David Susskind as Himself |
 | Dick Cavett as Himself |
 | Billie Perkins as Commune Member |
| Jayant as Barundi |
 | Pierre Epstein as Military Aide |
 | Roy Cooper as General's Aide |
 | Rex Robbins as Army Doctor |
 | David Warrilow as Blades |
| David Gideon as Security Guard |
| Hetty Galen as Simon's Mother (voice) |
 | Remak Ramsay as TV Newscaster |
| Hansford Rowe as Priest Babcock Beastly |
 | Yusef Bulos as Hemling Grotowsky |
| Jerry Mayer as Prof. Jerry Milstein |
 | Sol Frieder as Rabbi Chaim Glassberg |
| William Griffis as Senator |
| Frank J. Lucas as Psychologist |
 | George Riddle as Muttonchop Aide |
 | Tom Kubiak as Roach Reaction Patient |
 | Al Cerullo as Helicopter Pilot |
| Barbara Mongin as Institute Staff Member |
| Paula Gibson as Melody |
| James Dukas as Narrator (voice) |
| Jim Saxon as Commune Member |
| Michael Earl as Commune Member |
| Jay Lowman as Commune Member |
| Steven Nash as Commune Member |
| Barbara Bergen as Commune Member |
| Joyce Adams as Commune Member |
| Bonnie Deroski as Commune Member |
| Kathryn Cordes as Commune Member |
| Leslie Frances Williams as Commune Member |
| Nick Pippin as Commune Member |
| Ed Karvoski as Commune Member |
| Mary Lou Kleinbach as Commune Member |
| Richard Bassett as Commune Member |
| Phil Witt as Commune Member |
| Isam Culver as Commune Member |
| Rickey Murray as Commune Member |
| Stephanie Segal as Commune Member |
| Max Goff as Commune Member |
| Mary Donnet as Commune Member |
| Don Stitt as Commune Member |
| Nikki Kollins as Commune Member |
| Jenny Gault as Commune Member |
| Regina Rodwell as Commune Member |
| Schorling Schneider as Commune Member |
| Tina Austin as Commune Member |
| Jeffrey Bacon as Commune Member |
| Elizabeth Wingate as Commune Member |
| Joan Adams as Commune Member |
| Lisa Maurer as Commune Member |
 | Louise Lasser as Doris (voice) (uncredited) |
| Directing | |
| Marshall Brickman | Director |
Writing | |
| Marshall Brickman | Screenplay |
Costume & Make-Up | |
| Frank Bianco | Hairstylist |
Art | |
| Stuart Wurtzel | Production Design |
Sound | |
| Dan Sable | Sound Editor |
Directing | |
| Robert Barth | Second Assistant Director |
Art | |
| Dave Weinman | Set Dresser |
Sound | |
| Harriet Fidlow | Sound Editor |
Crew | |
| Edward Drohan | Special Effects |
Production | |
| Scott Rudin | Casting |
Costume & Make-Up | |
| Robert Jiras | Makeup Artist |
Visual Effects | |
| Werner Koopmann | Visual Effects |
Crew | |
| Jery Hewitt | Stunts |
| Victor Magnotta | Stunt Coordinator |
Writing | |
| Marshall Brickman | Story |
Directing | |
| Michael Rauch | First Assistant Director |
Sound | |
| Dan Rosenberg | Sound Recordist |
Art | |
| John Godfrey | Set Decoration |
Writing | |
| Thomas Baum | Story |
Production | |
| Louis A. Stroller | Executive Producer |
Sound | |
| Dick Vorisek | Sound Re-Recording Mixer |
Crew | |
| Louise Wolf | Stunts |
Sound | |
| Stanley Silverman | Music |
Costume & Make-Up | |
| Santo Loquasto | Costume Design |
Crew | |
| Victor Magnotta | Stunts |
Production | |
| Martin Bregman | Producer |
Sound | |
| Steve Scanlon | Sound Mixer |
Camera | |
| Adam Holender | Director of Photography |
Editing | |
| Nina Feinberg | Editor |
Sound | |
| Tom Fleischman | Sound Re-Recording Mixer |
Production | |
| Scott Rudin | Casting Director |
