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Kenneth Kent as Inspector Hanaud |
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Judy Kelly as Celia Harland |
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Peter Murray-Hill as Harry Wethermill |
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Walter Rilla as Mr. Ricardo |
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Ruth Maitland as Madame Dauvray |
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Antoinette Cellier as Adele Rossignol |
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Clifford Evans as Tace |
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Martita Hunt as Helen Vaquier |
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Ronald Adam as Mons. Besnard |
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Arthur Hambling as Mons. Perrichet |
| Directing | Walter Summers | Director |
| Writing | A.E.W. Mason | Novel |
| Writing | Doreen Montgomery | Writer |
| Editing | Lionel Tomlinson | Editor |
| Art | John Mead | Art Direction |
| Camera | Claude Friese-Greene | Director of Photography |
| Camera | Harry Gillam | Camera Operator |
