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Edward G. Robinson as George Constantin |
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Peggy Cummins as Georgette Constantin |
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Richard Greene as Larry |
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Nora Swinburne as Ava Constantin |
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Walter Rilla as Andreas |
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Finlay Currie as Sir Thomas McTavish |
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James Robertson Justice as Prof. Keval |
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Ronald Adam as Col. Fogarty |
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David Hutcheson as Annix |
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Gregory Ratoff as Marcos |
| Writing | Irène Némirovsky | Novel |
| Directing | Gregory Ratoff | Director |
| Writing | Robert Thoeren | Screenplay |
| Camera | Georges Périnal | Director of Photography |
| Production | Philip Brandon | Associate Producer |
| Costume & Make-Up | U. P. Hutchinson | Makeup Artist |
| Sound | H.C. Pearson | Sound |
| Sound | Jack Drake | Sound Editor |
| Writing | William Rose | Screenplay |
| Sound | Raymond Gallois-Montbrun | Music |
| Editing | Raymond Poulton | Editor |
| Art | Dario Simoni | Set Decoration |
| Production | Gregory Ratoff | Producer |
| Sound | Bill Salter | Sound |
| Costume & Make-Up | Joe Shear | Hairstylist |
