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Troy Donahue as Hoyt Brecker |
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Connie Stevens as Susan Slade |
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Dorothy McGuire as Leah Slade |
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Lloyd Nolan as Roger Slade |
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Brian Aherne as Stanton Corbett |
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Grant Williams as Conn White |
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Natalie Schafer as Marian Corbett |
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Kent Smith as Dr. Fain |
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Bert Convy as Wells Corbett |
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Guy Wilkerson as Slim |
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John A. Alonzo as Engineer |
| Editing | William Ziegler | Editor |
| Production | Delmer Daves | Producer |
| Directing | Delmer Daves | Director |
| Writing | Delmer Daves | Screenplay |
| Camera | Lucien Ballard | Director of Photography |
| Sound | Max Steiner | Original Music Composer |
| Art | William L. Kuehl | Set Decoration |
| Costume & Make-Up | Howard Shoup | Costume Design |
| Writing | Doris Hume | Novel |
| Sound | Stanley Jones | Sound |
| Directing | Russell Llewellyn | Assistant Director |
| Art | Leo K. Kuter | Art Direction |
| Crew | May Boss | Stunts |
| Sound | Murray Cutter | Orchestrator |
| Costume & Make-Up | Gordon Bau | Makeup Supervisor |
| Costume & Make-Up | Jean Burt Reilly | Hair Supervisor |
