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Madeleine Robinson as Thérèse Marcoux |
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Antonella Lualdi as Leda |
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Jean-Paul Belmondo as Laszlo Kovacs |
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Jeanne Valérie as Elisabet |
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Jacques Dacqmine as Henri Marcoux |
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Bernadette Lafont as Julie |
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André Jocelyn as Richard Marcoux |
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László Szabó as Vlado |
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Mario David as Roger |
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André Dino as |
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Raymond Pélissier as |
| Directing | Claude Chabrol | Director |
| Writing | Stanley Ellin | Novel |
| Writing | Paul Gégauff | Adaptation |
| Writing | Paul Gégauff | Dialogue |
| Writing | Claude Chabrol | Dialogue |
| Sound | Paul Misraki | Original Music Composer |
| Editing | Jacques Gaillard | Editor |
| Art | Bernard Evein | Production Design |
| Art | Jacques Saulnier | Production Design |
| Art | Bernard Evein | Art Direction |
| Art | Jacques Saulnier | Art Direction |
| Art | Maurice Bourbotte | Set Decoration |
| Costume & Make-Up | Jeanne Vergne | Costume Design |
| Costume & Make-Up | Louis Bonnemaison | Makeup Artist |
| Sound | Jean-Claude Marchetti | Sound |
| Camera | Henri Decaë | Director of Photography |
| Production | Robert Hakim | Producer |
| Production | Raymond Hakim | Producer |
