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Emrys Jones as Robert Matthews / John Barlow |
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Zena Marshall as Ann Farrington |
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John Horsley as Inspector Clements |
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Джоан Хиксон as Mrs. Fenton |
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Hector Ross as Canning |
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Roger Maxwell as Col. Hector Smythe |
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Marne Maitland as Heinz |
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Ian Fleming as Dr. Wilson |
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Frederick Piper as Thomas Pritchard |
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George Pastell as Ferrari |
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Lesley Deane as Mrs. Smythe |
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Victor Platt as Sergeant |
| Directing | John Gilling | Director |
| Writing | Lawrence Huntington | Screenplay |
| Directing | George Fowler | Assistant Director |
| Production | Robert S. Baker | Producer |
| Camera | Monty Berman | Director of Photography |
| Sound | George Burgess | Sound Supervisor |
| Production | Monty Berman | Producer |
| Sound | John Lanchbery | Music Director |
| Sound | Charles Poulton | Sound Recordist |
| Art | Ray Simm | Art Direction |
| Directing | Gladys Goldsmith | Continuity |
| Costume & Make-Up | Jill Carpenter | Makeup Artist |
| Production | Jack Hanbury | Production Manager |
| Camera | Eric Besche | Camera Operator |
| Editing | Sidney Hayers | Editor |
| Camera | Desmond Davis | Focus Puller |
