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Robert Shayne as Prof. Clifford Groves |
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Richard Crane as Dr. Ross Harkness |
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Joyce Terry as Jan Groves |
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Doris Merrick as Ruth Marshall |
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Robert Long as Game Warden George Oakes |
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Tandra Quinn as Celia |
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Beverly Garland as Nola Mason, bar waitress |
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Dick Rich as Sheriff Andy Andrews |
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Lee Morgan as Charlie Webb, bar owner |
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Frank Gerstle as Mr. Wheeler, hunter |
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Robert Easton as Danny, a townsman |
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Eric Colmar as Buck Hastings, a townsman |
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Robert Bray as Jim Newcomb, a townsman |
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Anthony Jochim as Skeptical Naturalist |
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Marshall Bradford as Naturalists' Conference Chairman |
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William Fawcett as Dr. Fairchild |
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Tom Monroe as Thickset Townsman at Webb's Cafe |
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Ann Staunton as State Trooper Dispatcher |
| Writing | Jack Pollexfen | Writer |
| Production | Aubrey Wisberg | Producer |
| Art | Walter Koestler | Art Direction |
| Production | Jack Pollexfen | Producer |
| Editing | Fred R. Feitshans Jr. | Editor |
| Writing | Aubrey Wisberg | Writer |
| Directing | E.A. Dupont | Director |
| Sound | Albert Glasser | Original Music Composer |
| Camera | Stanley Cortez | Director of Photography |
| Production | Ilse Lahn | Associate Producer |
| Costume & Make-Up | Harry Thomas | Makeup Artist |
