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Anton Diffring as Inspector Duval |
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Diane Hart as Jackie |
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Mark Singleton as Inspector Wilson |
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Charles Mitchell as Brossier |
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Aiden Grennell as Mark Sinclair |
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Susan Hallinan as Doreen |
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Charles Roberts as Charley |
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Patrick Bedford as Sgt. Hastings |
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James Fitzgerald as Mario |
| Writing | Jacques Monteux | Story |
| Writing | J. Henry Piperno | Writer |
| Camera | Stephen Dade | Director of Photography |
| Editing | Oswald Hafenrichter | Editor |
| Directing | Max Varnel | Director |
| Production | Kay Luckwell | Production Supervisor |
| Art | Tony Inglis | Art Direction |
| Sound | Wilfred Burns | Original Music Composer |
| Production | Richard F. Dalton | Production Manager |
| Directing | Bill Snaith | Assistant Director |
| Camera | Gus Drisse | Camera Operator |
| Directing | Doreen Soan | Continuity |
| Sound | Brendan Redmond | Sound Recordist |
| Costume & Make-Up | Eileen Long | Wardrobe Master |
| Costume & Make-Up | Celia Bennett | Hairstylist |
| Production | Barbara Rowland | Production Secretary |
| Production | Bill Luckwell | Producer |
| Production | Jock MacGregor | Producer |
