Jean-Pierre Cassel

Antoine Mirliflor

Irina Demick

Nicole

Catherine Deneuve

Isabelle

Annie Girardot

Clara

Jean-Pierre Marielle

Balthazar

Sandra Milo

Maria

Marcel Dalio

Krieg von Spiel

Jean-Claude Brialy

Prinz

Paolo Stoppa

Professor Gaetano

Adolfo Celi

Benvenuto

Valérie Lagrange

Louisette

André Luguet

Le grand-père d'Antoine

Rosy Varte

La mère d'Isabelle

Sacha Briquet

Le fondé de pouvoir

Jacques Dynam

Le père d'Isabelle

Jean-Claude Brialy

Le prince

Memmo Carotenuto

L'agent à Rome (uncredited)

Philippe Castelli

L'homme qui trompe Balthazar (uncredited)

Louise Chevalier

La concierge (uncredited)

Hubert Deschamps

Le curé (uncredited)

Rosemary Dexter

L'étudiante (uncredited)

Mino Doro

Le professeur Gaetano (uncredited)

Giustino Durano

Le boulanger (uncredited)

Geneviève Fontanel

L'amie de Socratès (uncredited)

Albert Michel

Monsieur Leroux (uncredited)

Bernard Musson

Le concierge (uncredited)

Gamil Ratib

Le maharadjah (uncredited)

Gilbert Servien

(uncredited)