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Curd Jürgens as Alex |
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Peter Ustinov as Michel Kiminsky |
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O.E. Hasse as Hugo Vogel |
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Sam Jaffe as Sam Cooper |
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Paul Carpenter as Col. Howard |
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Véra Clouzot as Lucie |
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Martita Hunt as Connie Harper |
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Gérard Séty as Dr. Malic |
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Clément Harari as Victor |
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Gabrielle Dorziat as Madame Andrée l'infirmière |
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Louis Seigner as Valette |
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Jean Brochard as Le surveillant-général |
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Bernard Lajarrige as Le garçon de café |
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Daniel Emilfork as Peterson |
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Sacha Pitoëff as Leon |
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Fernand Sardou as Pierre |
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Pierre Larquey as le chauffeur de taxi |
| Writing | Jérôme Géronimi | Writer |
| Writing | Henri-Georges Clouzot | Writer |
| Directing | Henri-Georges Clouzot | Director |
| Production | Henri-Georges Clouzot | Producer |
| Art | René Renoux | Production Design |
| Camera | Christian Matras | Director of Photography |
| Editing | Madeleine Gug | Editor |
