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Hugh Williams as Michael Seeley |
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Gordon Harker as Sam Hackett |
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Norman McKinnel as Insp. Mason |
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Renee Gadd as Janice Harman |
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Richard Bird as Donald Bateman |
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Nora Swinburne as Inez Landor |
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Leslie Perrins as Louis Landor |
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J.H. Roberts as Dr. Marford |
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D.A. Clarke-Smith as Dr. Rudd |
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Gibb McLaughlin as Sgt. Elk |
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Jeanne Stuart as Gloria Gaye |
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Clare Greet as Mrs. Albert |
| Camera | Alex Bryce | Director of Photography |
| Production | Michael Balcon | Producer |
| Sound | Harold V. King | Sound |
| Writing | Angus MacPhail | Writer |
| Writing | Эдгар Уоллес | Theatre Play |
| Camera | Bernard Knowles | Director of Photography |
| Art | Norman G. Arnold | Art Direction |
| Writing | Bryan Edgar Wallace | Adaptation |
| Sound | Louis Levy | Music Director |
| Directing | T. Hayes Hunter | Director |
