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Kieron Moore as Dr. Peter Blood |
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Hazel Court as Nurse Linda Parker |
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Ian Hunter as Dr. Robert Blood, Peter's Father |
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Kenneth J. Warren as Sergeant Cook |
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Gerald Lawson as Mr. Morton |
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Fred Johnson as Tregaye |
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Paul Hardtmuth as Professor Luckman |
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Paul Stockman as Steve Parker |
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Andy Alston as George Beale |
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Ruth Lee as Girl |
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John Ronane as Hanson |
| Writing | Nathan Juran | Original Story |
| Directing | Sidney J. Furie | Director |
| Writing | Nathan Juran | Screenplay |
| Sound | Fred Ryan | Sound Mixer |
| Crew | Les Bowie | Special Effects |
| Writing | Peter Miller | Adaptation |
| Costume & Make-Up | Helen Penfold | Hairstylist |
| Sound | Bill Salter | Sound Mixer |
| Writing | Nathan Juran | Story |
| Sound | Philip Martell | Music Director |
| Production | David E. Rose | Executive Producer |
| Costume & Make-Up | Freddie Williamson | Makeup Artist |
| Camera | Nicolas Roeg | Camera Operator |
| Editing | Terry Rawlings | First Assistant Editor |
| Production | George Fowler | Producer |
| Camera | Stephen Dade | Director of Photography |
| Crew | Peter Neilson | Special Effects |
| Sound | Barrie Vince | Assistant Sound Editor |
| Sound | Buxton Orr | Original Music Composer |
| Directing | John Comfort | Assistant Director |
| Writing | James Kelley | Adaptation |
| Editing | Antony Gibbs | Editor |
| Costume & Make-Up | Dulcie Midwinter | Costume Design |
| Sound | Robert Winter | Sound Editor |
| Costume & Make-Up | Dulcie Midwinter | Wardrobe Supervisor |
| Directing | Gladys Reeve | Continuity |
| Art | Scott MacGregor | Art Direction |
| Production | Buddy Booth | Production Manager |
