Lino Ventura

Abel Davos

Jean-Paul Belmondo

Éric Stark

Sandra Milo

Liliane

Marcel Dalio

Arthur Gibelin

Michel Ardan

Henri Vintran, aka 'Riton'

Simone Desmaison

Thérèse Davos

Michèle Méritz

Sophie Fargier

Stan Krol

Raymond Naldi

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

René Génin

Mr. Chapuis

Charles Blavette

Mr. Bénazet

Philippe March

Jean Martin

Corrado Guarducci

Ferucci

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)