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