Murder mystery involving a man and his relationship with twin sisters.
Jean-Claude Brialy
Paul Kastner
Stéphane Audran
Marie Kastner / Anne
Robert Hossein
Jean Carouse
Michel Serrault
Le commissaire Plouvier / Superintendant
Catherine Spaak
Françoise
Claude Chabrol
Railway guard
Madeleine Damien
Une vieille dcommere
Isabelle Del Rio
Philippe Lejour
Paul Bisciglia
L'employe de Kastner
