Jean Poiret

Character: Louis

Roger Pierre

Character: Germain Lormond

Michel Serrault

Character: Rossignol, private detective

Mireille Darc

Character: Josette

Stéphane Audran

Character: Rika Lormond

Claude Chabrol

Character: Psychiatrist

Hubert Deschamps

Character: Robert Darsac

Olivier Hussenot

Character: Theater director

Max Montavon

Character: Homosexual

France Rumilly

Character: Raymonde

Fernand Sardou

Character: Inspector

Marcel Achard

Character: Self (uncredited)

Philippe Castelli

Character: Critic (uncredited)

Jean Degrave

Character: Prosecutor (uncredited)