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Jim Hutton as Arnold James Masters |
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Paul Burke as Lieutenant Jeff Morgan |
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Julie Adams as Doctor Laura Scott |
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Nehemiah Persoff as Doctor Gubner |
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Neville Brand as Lemonovski |
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Della Reese as Mrs. Gibson |
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Aldo Ray as Lt. Dave Anderson |
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Stack Pierce as Emilio |
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Greydon Clark as Police Sgt. Marv Sowash |
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Whit Bissell as Dr. Paul Taylor |
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Rod Cameron as Dr. Commanger |
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Mary Charlotte Wilcox as Nurse Martha Burnson |
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Judith Brown as Anne Turner |
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John Dennis as Frank |
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Marland Proctor as Motorcycle Cop |
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Joseph Della Sorte as Harvey B. Sanders |
| Directing | Ray Danton | Director |
| Writing | Ray Danton | Writer |
| Writing | Mikel Angel | Writer |
| Writing | Greydon Clark | Writer |
| Production | Mohammed Rustam | Producer |
| Production | Greydon Clark | Associate Producer |
| Production | Larry Huly | Associate Producer |
| Sound | William Kraft | Original Music Composer |
| Camera | Herb Pearl | Director of Photography |
| Editing | Michael Brown | Editor |
| Production | Edward R. Morse | Casting |
| Art | Joel Leonard | Art Direction |
| Costume & Make-Up | Tino Zacchia | Makeup Artist |
| Costume & Make-Up | Tino Zacchia | Hairstylist |
| Production | Leonard Bram | Production Manager |
