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Бернард Ли as Det. Supt. Meredith |
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Александр Нокс as Colonel Calderwood |
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Moira Redmond as Diana Marsh |
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William Russell as Mike Stafford |
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Ричард Вернон as John Crewe |
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Richard Warner as Mark Speller |
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John Gabriel as Monet |
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Jack Rodney as Gregory |
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Stanley Morgan as Det. Sgt. Anson |
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Robert Percival as Mr. Britton |
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Ann Harriman as Receptionist |
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Julie Shearing as Judy |
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Fanny Carby as Mrs. Wall |
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Ian Hamilton as Waiter |
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Walter Horsbrugh as Registrar |
| Directing | Gerard Glaister | Director |
| Writing | Эдгар Уоллес | Original Story |
| Writing | Philip Mackie | Screenplay |
| Production | Jack Greenwood | Producer |
| Sound | Bernard Ebbinghouse | Original Music Composer |
| Camera | Bert Mason | Director of Photography |
| Editing | Bernard Gribble | Editor |
| Production | Ronnie Curtis | Casting Director |
| Art | Peter Mullins | Art Direction |
| Costume & Make-Up | Hilda Fox | Hairdresser |
| Costume & Make-Up | Aldo Manganaro | Makeup Artist |
| Production | Joe Levy | Production Manager |
| Directing | Ted Lewis | Assistant Director |
| Sound | Ronald Abbott | Sound Recordist |
| Sound | Sidney Rider | Sound Recordist |
| Sound | Allan Sones | Sound Editor |
| Camera | Herbert Smith | Camera Operator |
| Costume & Make-Up | Eileen Welch | Wardrobe Master |
