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Leslie Perrins as Inspector Darrow |
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Judy Gunn as Carole Foster |
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Russell Thorndike as Clive Bristow |
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Michael Hogan as Samuel Morton |
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Ivor Barnard as Arthur Stannard |
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Eliot Makeham as John Rutherford |
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George Zucco as James Renton |
|
Leo Britt as Tony Freyne |
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D.J. Williams as Fritz Klein |
|
Hector Abbas as Otto Bemberg |
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Cyril Smith as McNair |
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Barbara Everest as Mrs. Foster |
| Editing | Lister Laurance | Editor |
| Camera | Sydney Blythe | Director of Photography |
| Directing | Fred V. Merrick | Assistant Director |
| Camera | William Luff | Camera Operator |
| Sound | Carlisle Mounteney | Sound Recordist |
| Art | James A. Carter | Art Direction |
| Sound | W.L. Trytel | Music Director |
| Directing | George A. Cooper | Director |
