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Rock Hudson as Dr. Paul Holliston |
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Barbara Carrera as Victoria Spencer |
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Diane Ladd as Martha Douglas |
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Roddy McDowall as Frank Riley |
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Anne Schedeen as Helen Holliston |
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John Elerick as Gordon Holliston |
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Vincent Baggetta as Collier |
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Jack Colvin as Dr. Winston |
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Dick Winslow as Forbes |
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Lina Raymond as Janet Novak |
| Sound | Gil Mellé | Original Music Composer |
| Writing | Anita Doohan | Screenplay |
| Writing | Jack W. Thomas | Screenplay |
| Production | Anita Doohan | Producer |
| Directing | Ralph Nelson | Director |
| Camera | Fred J. Koenekamp | Director of Photography |
| Crew | Kevin N. Johnston | Stunts |
| Production | Michael S. Glick | Associate Producer |
| Art | Joe Alves | Production Design |
| Costume & Make-Up | Moss Mabry | Costume Design |
| Production | Sandy Howard | Executive Producer |
| Art | Phil Abramson | Set Decoration |
| Crew | Jerry Brutsche | Stunts |
| Production | Arnold H. Orgolini | Producer |
| Production | Lea Stalmaster | Casting |
| Editing | John A. Martinelli | Editor |
| Crew | Everett Creach | Stunt Coordinator |
| Crew | Dick Warlock | Stunts |
