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John Hodiak as Manuel Cortez |
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Sylvia Sidney as Cecily Harrington |
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Ann Richards as Mavis Wilson |
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John Howard as Nigel Lawrence |
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Isobel Elsom as Auntie Loo-Loo Gerard |
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Ernest Cossart as Billings |
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Philip Tonge as Dr. Gribble |
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Anita Sharp-Bolster as Ethel |
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Frederick Worlock as Inspector Hobday |
| Directing | Richard Whorf | Director |
| Writing | Philip MacDonald | Screenplay |
| Writing | Frank Vosper | Theatre Play |
| Production | James J. Geller | Producer |
| Sound | Hans J. Salter | Original Music Composer |
| Camera | Tony Gaudio | Director of Photography |
| Editing | Fred Allen | Editor |
| Writing | Agatha Christie | Novel |
| Costume & Make-Up | Eunice King | Hairstylist |
