Jean-Paul Belmondo
Éric Stark
Marcel Dalio
Arthur Gibelin
Michel Ardan
Henri Vintran, aka 'Riton'
Simone Desmaison
Thérèse Davos
Michèle Méritz
Sophie Fargier
Evelyne Ker
Gibelin's daughter
Betty Schneider
Little maid
France Asselin
Denise Vintran
Jean-Pierre Zola
Boss of the detective agency
Sylvain Lévignac
Agency detective
Jeanne Pérez
Jacqueline Chapuis
Charles Blavette
Mr. Bénazet
Philippe March
Jean Martin
Robert Desnoux
Pierrot Davos
Thierry Lavoye
Daniel Davos
Claude Cerval
Raoul Fargier
Jacques Dacqmine
Commissioner Blot
Max Amyl
Stage manager (uncredited)
Marcel Bernier
Inspector (uncredited)
Jean Combal
Policeman of Nice (uncredited)
Albert Daumergue
Riton man (uncredited)
Lucien Desagneaux
Billiard player (uncredited)
Bernard Dhéran
Blastone (uncredited)
Marcel Gassouk
Man at the Nice police station (uncredited)
Guy Henry
Inspector (uncredited)
Laure Paillette
Elevator woman (uncredited)
