Jean-Paul Belmondo

Georges Randal

Geneviève Bujold

Charlotte

Marie Dubois

Geneviève Delpiels

Julien Guiomar

Abbot Félix La Margelle

Paul Le Person

Roger Voisin aka 'Roger-La-Honte'

Christian Lude

Urbain Randal, Georges' uncle and guardian

Françoise Fabian

Ida

Marlène Jobert

Broussaille

Bernadette Lafont

Marguerite, brazen maid

Martine Sarcey

Renée Mouratet

Roger Crouzet

Mouratet

Jacques Debary

Courbassol

Fernand Guiot

Emiel Van Der Busch

Marc Dudicourt

Georges Antoine

Monique Mélinand

Mrs. de Montareuil

Madeleine Damien

Marie-Jeanne

Jacqueline Staup

Mrs. Van der Busch

Nane Germon

Mrs. Voisin

Jean Champion

Boss of the Hôtel de la Biche

Jacques Gheusi

Professor Boileau

Christian de Tillière

Armand de Montareuil

Charles Denner

Jean-François Cannonier

Paul Vally

Maître Vivonne, notary

Duncan Elliott

English receiver

Nicole Chollet

Boss of the restaurant

Gabriel Gobin

Father Voisin

Anne Vernon

Mrs Voisin (scenes deleted)

Maurice Auzel

Marcel (uncredited)

Jean-Luc Bideau

English bailiff (uncredited)

Irène Daix

Old English servant (uncredited)

Jacques David

Robbed man (uncredited)

Louis Malle

Extra (uncredited)

Dario Meschi

Boss of the Hôtel du Roi Salomon (uncredited)

Gaston Meunier

Guest at Mouratet (uncredited)

Odette Piquet

Fernande, boss of the Hôtel de la Biche (uncredited)

Gilbert Servien

Pickpocket's accomplice (uncredited)

Pierre Étaix

Pickpocket (uncredited)

Gilbert Servien

Pickpocket's accomplice (uncredited)