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Marshall Colt as Pete Gunnison |
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John Elerick as Mark Gunnison |
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L.Q. Jones as Hoyt Gunnison |
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Christine Belford as Carla Winters |
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Van Williams as Capt. Cochran |
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Laurette Spang as Chris Morrison |
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David Hedison as David Royce |
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William Lucking as Niles |
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Christine De Lisle as Piper Collins |
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Randy Powell as Stan Cusek |
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Lou Frizzell as Frank Bannock |
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John Karlen as Kessler |
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George D. Wallace as George Hopkins |
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Joan Roberts as Operator |
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Ann Bradley as Hazel Bicker |
| Art | George B. Chan | Art Direction |
| Writing | Robert W. Lenski | Writer |
| Production | Philip Saltzman | Executive Producer |
| Sound | Dave Grusin | Original Music Composer |
| Production | Christopher Morgan | Producer |
| Directing | Virgil W. Vogel | Director |
| Camera | Jacques R. Marquette | Director of Photography |
| Editing | Geoffrey Rowland | Editor |
