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Elliott Gould as Sean Rogers |
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Trevor Howard as Colonel Azarin |
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Joseph Bova as Dr. Lucas Martino |
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Edward Grover as Finchley |
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John Lehne as Haller |
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James Noble as General Deptford |
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Lyndon Brook as Dr. Barrister |
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Michael Lombard as Dr. Besser |
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Joy Garrett as Barbara |
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Kay Tornborg as Edith |
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John Stewart as Frank Heywood |
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Bruce Boa as Miller |
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Fred Vincent as Douglas |
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Alexander Allerson as Dr. Kothu |
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Ivan Desny as General Stürmer |
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Dan Sazarino as Uncle Lucas |
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Craig McConnel as Tonino |
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Herb Andress as FBI Agent |
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Del Negro as FBI Agent |
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Frank Schuller as FBI Agent |
| Production | Barry Levinson | Producer |
| Sound | John Cameron | Original Music Composer |
| Writing | John Gould | Screenplay |
| Editing | Norman Wanstall | Editor |
| Directing | Jack Gold | Director |
| Writing | Algis Budrys | Novel |
| Camera | Petrus R. Schlömp | Director of Photography |
