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John Loder as Maxwell Archer |
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Leueen MacGrath as Sarah |
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Athole Stewart as Supt. Gordon |
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Marta Labarr as Nina |
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George Merritt as Insp. Cornell |
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Ronald Adam as Nicolides |
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Peter Hobbes as George Gull Jr. |
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Ralph Roberts as George Gull Sr. |
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Syd Crossley as Perkins |
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Barbara Everest as Miss Duke |
| Writing | Katherine Strueby | Writer |
| Sound | W.L. Trytel | Music Director |
| Camera | Claude Friese-Greene | Director of Photography |
| Directing | John Paddy Carstairs | Director |
| Writing | Hugh Clevely | Novel |
| Editing | Alan Jaggs | Editor |
| Production | William Sistrom | Producer |
| Art | Ian White | Art Direction |
