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Jean Richard as Commissioner Etienne Ledru |
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Nicole Courcel as Anne-Marie Ledrut |
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Sophie Daumier as Juliette Ledrut |
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Junie Astor as Mrs. Terrasse |
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René Clermont as Director of the lab |
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Bernard Dhéran as Dr. Chauvin |
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Jean Galland as Mr. Duquesne |
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Jacques Hilling as Taxi driver |
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François Patrice as Inspector Martin |
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Jacques Perrin as Philippe Ledrut |
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Annick Tanguy as Janine, maid |
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Yves Arcanel as |
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Jean-Pierre Cassel as Duquenne's son |
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Michel Nastorg as Medical examiner |
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Raymond Pélissier as Principal |
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Andrée Lelièvre as |
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Yvon Sarray as Neighbor |
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Denise Grey as Mrs. Legrand, the mother-in-law |
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Noël Roquevert as Commissioner Reboux |
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René Berthier as (uncredited) |
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Lucien Camiret as (uncredited) |
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Anne Lelièvre as (uncredited) |
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Dominique Marcas as Telephonist (uncredited) |
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Alain Nobis as "Fuit défendu" waiter (uncredited) |
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Georges Sellier as (uncredited) |
| Writing | Paul Andréota | Writer |
| Writing | Claude Boissol | Writer |
| Writing | Gilbert Laporte | Writer |
| Directing | Claude Boissol | Director |
