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Alex Cord as Joe Christopher |
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Shirley Eaton as Phoebe Stewart |
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Laurence Naismith as Burr |
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Oscar Beregi Jr. as Philippe Soriel (Scorpio) |
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Lester Matthews as Mr. Harris |
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Antoinette Bower as Terry |
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Arthur Malet as Hinton |
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Barry Ford as Bratter |
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Émile Genest as Garin |
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Vincent Beck as Paul Fretoni |
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Ilka Windish as Miss Gunther |
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Laurie Main as Tyson |
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Andre Philippe as Gian |
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Harry Raybould as Lodel |
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Danielle De Metz as Marie |
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Milton Parsons as Mr. Atkinson |
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Ivor Barry as Rt. Hon. John Murney |
| Writing | Adrian Spies | Writer |
| Camera | Ellsworth Fredericks | Director of Photography |
| Production | Richard Thorpe | Producer |
| Writing | Jo Eisinger | Writer |
| Directing | Richard Thorpe | Director |
| Writing | Victor Canning | Novel |
| Costume & Make-Up | Mary Keats | Hairstylist |
| Art | Addison Hehr | Art Direction |
| Sound | Dave Grusin | Original Music Composer |
| Art | Henry Grace | Set Decoration |
| Art | George W. Davis | Art Direction |
| Art | Jack Mills | Set Decoration |
| Costume & Make-Up | William Tuttle | Makeup Artist |
| Editing | Richard W. Farrell | Editor |
