cast
- Charles Denner
- Henri-Desire Landru
- Danielle Darrieux
- Berthe Heon
- Michèle Morgan
- Celestine Buisson
- Juliette Mayniel
- Anna Collomb
- Stéphane Audran
- Fernande Segret
- Mary Marquet
- Mme. Guillin
- Sacha Briquet
- Assistant prosecutor
- Catherine Rouvel
- Andree Babelot
- Mario David
- Prosecutor
- Raymond Queneau
- Clemenceau
- Jean-Pierre Melville
- Georges Mandel
- Claude Mansard
- Defense Attorney
- Jean-Louis Maury
- Commissioner Belin
- Dominique Zardi
- Gendarme
- Hildegarde Neff
- Madame Ixe
- Robert Burnier
- Presiding judge
- Denise Provence
- Mme. Laporte
- Serge Bento
- Maurice Landru
- Francoise Lugagne
- Mme. Landru
crew
- Claude Chabrol
- Director
- Carlo Ponti
- Producer
- Georges de Beauregard
- Producer
- Francoise Sagan
- Screenwriter
- Jean Rabier
- Cinematographer
- André Girard
- Musical Direction/Supervision
- Pierre Jansen
- Composer (Music Score)
- Jacques Gaillard
- Editor
- Jacques Saulnier
- Production Designer
- Maurice Albray
- Costume Designer
