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Basil Sydney as Inspector Philip Winton |
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Judy Gunn as Claire Haines |
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Zoe Davis as Mrs. Harris |
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Alastair Sim as Police Sergeant 'Mac' McKay |
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Reginald Tate as Hubert Perrin |
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Ian Fleming as Henry Sanders |
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Tom Helmore as Alfred Jerome |
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Martin Lewis as William Gregg |
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C.M. Hallard as Dickenson - Norman's Attorney |
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Aubrey Mallalieu as Robert Norman |
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Ernest Borrow as Superintendent Field |
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Sydney Moncton as Globe Reporter |
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Albert Parker as Movie Director (cameo appearance)(uncredited) |
| Directing | Albert Parker | Director |
| Writing | Selwyn Jepson | Adaptation |
| Sound | John Cox | Sound Recordist |
| Directing | Cecil Dixon | Assistant Director |
| Writing | Stanislas-André Steeman | Novel |
| Production | Albert Parker | Producer |
| Art | Ralph W. Brinton | Art Direction |
| Camera | Alex Bryce | Director of Photography |
| Editing | Reginald Beck | Editor |
| Production | Leslie Landau | Producer |
