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John Loder as Dr. Paul Raymond |
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Jane Baxter as Pamela Raymond |
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Jack Hawkins as Stamp |
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Hartley Power as Campbell |
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Peter Croft as Nigel |
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Frederick Burtwell as Morgan |
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William Hartnell as Dick |
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Ian McLean as Inspector |
| Writing | Austin Melford | Writer |
| Writing | Derek N. Twist | Writer |
| Writing | Brock Williams | Writer |
| Production | Roy William Neill | Producer |
| Crew | Basil Emmott | Cinematography |
| Writing | Roy William Neill | Writer |
| Directing | Roy William Neill | Director |
| Sound | Bretton Byrd | Original Music Composer |