Étienne Draber

as Albert Einstein

as Le grand-père de Michel

as Desfournettes

as Speaker

as French Man in Window

as Raymond

as Un médecin

as Roberto

as Marcel Charvet

as Vicomte du Closlabbe

as Brid'oison

as Gilles Duprez

as Monsieur Lourceau

as Maitre Guillaumin

as Count of Churigny

as Mr. Boutelleau

as Vinnie

as Le censeur

as Monsieur Max

as Colbert

as Le médecin du Président

as Broker

as Rémy Lambert, the publisher

as le père de Julien

as Le chef de maison

as M. Jean-Claude Bologne, agent l'immobilier

as L'inspecteur de police au nœud papillon

as Le professeur de médecine

as André

as Pharmacist

as L'avocat général

as Robert Brézé

as (uncredited)