Two total strangers suspect each other of murdering their own wives. Based on Patricia Highsmith's 1954 novel The Blunderer.

• Les Films Marceau-Cocinor
• Gert Fröbe
• Marina Vlady
• Robert Hossein
• Harry Meyen
• Maurice Ronet
• Yvonne Furneaux
• Paulette Dubost
• Laurence Badie