Marie Laforêt

Marie-Chantal

Francisco Rabal

Paco Castillo

Serge Reggiani

Ivanov

Charles Denner

Johnson

Stéphane Audran

Olga

Akim Tamiroff

Prof. Lambaré / Dr. Kha

Roger Hanin

Bruno Kerrien

Robert Burnier

A Swiss Gentleman

Gérard Tichy

Maitre d'Hôtel

José María Caffarel

(as Caffarel)

Henri Attal

Dumont

Bernard Papineau

Serge Bento

Claude Chabrol

Bartender (uncredited)

Jacques Hilling

(uncredited)

Albert Michel

(uncredited)