Cast
Michel Serrault
Rossignol, private detective
Claude Chabrol
Psychiatrist
Olivier Hussenot
Theater director
Marcel Achard
Self (uncredited)
Philippe Castelli
Critic (uncredited)
Jean Degrave
Prosecutor (uncredited)
Jean Poiret
Louis
Mireille Darc
Josette
Stéphane Audran
Rika Lormond
Hubert Deschamps
Robert Darsac
Max Montavon
Homosexual
France Rumilly
Raymonde
Fernand Sardou
Inspector
Roger Pierre
Germain Lormond