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