Henri Crémieux

as Isaac 'Roméo' Oppenheim

as le grand-père Roussel

as Gérard Paulin

as Le curé

as Homnibus (voice)

as Bouzaine

as Le procureur Bertolier

as Mr. Jeandieu

as Principal

as La Marinière

as Professor Richet, psychiatrist

as The Chief Doctor

as Herb

as Professeur Henri Morgan

as Mackenzie

as Postman

as Principal

as Rinal

as Subtil Dutrouz

as Le parrain d'Annette

as Marvier, Secret Service Chief

as Messire Jean

as Monsieur's Father-in-law

as Rancoule

as Raucoule (uncredited)

as Le président (uncredited)

as Le médecin légiste

as Investigating judge

as Antoine Monteil, le ministre des Finances

as Doctor

as Le professeur(non crédité)

as Le juge d'instruction

as Le docteur

as Bourride

as X.A. Pallos

as Mr. Eddy

as Professeur Larmet

as Mr. Larondel, opposition advisor

as M. Raymond

as Saab Astérich

as Garrigues, le président de l'amicale

as Hubert Mandine

as le juge d'instruction

as Le procureur Limousin

as Investigating judge

as Le docteur Fontanet

as Le maire

as Chambourg

as Script Writer

as M. Phalempeau, homme d'affaires

as L'avocat de Bauchet

as Monsieur Pimpesse

as Balbec de la Morlière

as M. Bousquet

as Mr. Lécuyer

as M. Jolivet

as Mr. Dubois

as School's director

as Editor

as Milson, le directeur de l'Olympia

as M. Florent

as Mingassol

as Cresat

as Doctor Sandrin

as Fatafia

as Mr. Rainette

as Henri Crémieux

as The commissioner

as The first witness of Cugnac

as Evans

as Mathieu

as Saint-Eloi

as Le commissaire

as L'avocat

as Man on the train

as Maître Piédoux

as L'administrateur (uncredited)

as Monsieur Maret, owner

as Inspector General

as Louis

as Sharp, the radio

as Bajoux

as The witness

as Le commissaire-priseur

as Le secrétaire

as Daniel's lawyer

as Detective