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Clint Walker as Lloyd Kelly |
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Carl Betz as Dennis Holvig |
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Neville Brand as Chub Foster |
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James Wainwright as Jules 'Dutch' Krasner |
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Robert Urich as Mack McCarthy |
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James A. Watson, Jr as Al Beltran |
| Directing | Jerry London | Director |
| Writing | Theodore Sturgeon | Teleplay |
| Writing | Theodore Sturgeon | Novel |
| Writing | Ed MacKillop | Teleplay |
| Writing | Herbert F. Solow | Adaptation |
| Production | Herbert F. Solow | Producer |
| Sound | Gil Mellé | Original Music Composer |
| Camera | Terry K. Meade | Director of Photography |
| Editing | Bud Hoffman | Editor |
| Editing | Fabien D. Tordjmann | Editor |
| Art | James Martin Bachman | Art Direction |
| Art | Hal Overell | Set Decoration |
| Production | Frank Losee | Unit Manager |
| Crew | Charles Clement | Post Production Supervisor |
| Directing | Mark Sandrich Jr. | Assistant Director |
| Directing | Craig Huston | Second Assistant Director |
| Visual Effects | Albert Whitlock | Visual Effects |
| Crew | Fred Carson | Stunts |
| Crew | Carey Loftin | Stunt Coordinator |
| Editing | Richard Belding | Editorial Manager |
| Sound | Albert D. Cuesta | Sound |
| Sound | Hal Mooney | Music Supervisor |
