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
Michel Creton
Jeanne Pérez
Antonia Lotito
Marius Laurey
