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Peter O'Toole as Dr. Harry Wolper |
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Mariel Hemingway as Meli |
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Vincent Spano as Boris Lafkin |
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Virginia Madsen as Barbara Spencer |
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David Ogden Stiers as Dr. Sid Kullenbeck |
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John Dehner as Paul |
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Karen Kopins as Lucy Wolper |
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Kenneth Tigar as Pavlo |
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Elsa Raven as Mrs. Mallory |
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Lee Kessler as Mrs. Pruitt |
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Rance Howard as Mr. Spencer |
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Ellen Geer as Mrs. Spencer |
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Ian Wolfe as Prof. Brauer |
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Mike Jolly as Boom-Boom |
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Burton Collins as Lyman |
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Judith Hansen as Karen |
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Doug Cox as Arthur |
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Anthony Peck as Norman |
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Crawford Binion as Fred |
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Byrne Piven as Krauss |
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Vincent Cobb as Hamberg |
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Gary Bayer as Bovi |
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Jordan Charney as Dr. Whitaker |
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William Bassett as Dr. Sutter |
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Sandy Ignon as Dr. Franklin |
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Jeff Corey as Dean Harrington |
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Michael McGrady as Larry |
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Eve McVeagh as Woman with Monkey |
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Al Fann as Guard |
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Michael Greene as Guard |
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James Murray as Martin Goodwin (uncredited) |
| Directing | Ivan Passer | Director |
| Production | Stephen J. Friedman | Producer |
| Writing | Jeremy Leven | Screenplay |
| Production | Charles Mulvehill | Associate Producer |
| Writing | Jeremy Leven | Novel |
| Art | Josan F. Russo | Art Direction |
| Editing | Richard Chew | Editor |
| Sound | Sylvester Levay | Music |
| Camera | Robbie Greenberg | Director of Photography |
| Costume & Make-Up | Julie Weiss | Costume Design |
| Production | Lynn Stalmaster | Casting |
