Directed by
| Claude Boissol | ||
Writing Credits (in alphabetical order)
| Paul Andréota | ... | (adaptation) |
| Claude Boissol | ... | (adaptation) |
| Gilbert Laporte | ... | (play) |
Cast (in credits order) complete, awaiting verification
| Jean Richard | ... | Commissaire Étienne Ledru | |
| Nicole Courcel | ... | Anne-Marie Ledrut | |
| Sophie Daumier | ... | Juliette Ledrut | |
| Junie Astor | ... | Mme Terrasse | |
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René Clermont | ... | Le directeur du labo |
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Bernard Dhéran | ... | Dr. Chauvin |
| Jean Galland | ... | M. Duquesne | |
| Jacques Hilling | ... | Le chauffeur de taxi | |
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François Patrice | ... | L'inspecteur Martin |
| Jacques Perrin | ... | Philippe Ledrut (as Jacques Simonet) | |
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Annick Tanguy | ... | Janine, la bonne |
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Yves Arcanel | ||
| Jean-Pierre Cassel | ... | Le fils Duquenne | |
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Michel Nastorg | ... | Le médecin-légiste |
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Raymond Pélissier | ... | Le proviseur |
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Andrée Lelièvre | ||
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Yvon Sarray | ... | Le voisin (as Yvon Sarret) |
| Denise Grey | ... | Mme Legrand, la belle-mère | |
| Noël Roquevert | ... | Le commissaire Reboux | |
| Rest of cast listed alphabetically: | |||
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René Berthier | ... | (uncredited) |
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Lucien Camiret | ... | (uncredited) |
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Anne Lelièvre | ... | (uncredited) |
| Dominique Marcas | ... | La téléphoniste (uncredited) | |
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Alain Nobis | ... | Le garçon du 'Fuit défendu' (uncredited) |
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Georges Sellier | ... | (uncredited) |
Produced by
| Alain Poiré | ... | producer |
| Pierre Vallée | ... | producer |
Music by
| Marc Lanjean | ||
Cinematography by
| Jean Lehérissey | ||
Editing by
| Monique Isnardon | ||
| Robert Isnardon | ||
Production Design by
| Roger Briaucourt | ||
Makeup Department
| Jean-Jacques Chanteau | ... | makeup artist |
Production Management
| Irénée Leriche | ... | production manager |
Sound Department
| Pierre-André Bertrand | ... | sound engineer |
Camera and Electrical Department
| Jean-Louis Castelli | ... | still photographer |
| Charles-Henri Montel | ... | camera operator |
