M.C. contra Dr. KHA

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

Antonio Passalia

Sparafucile

Pierre-François Moro

Hubert de Ronsac

Robert Burnier

A Swiss Gentleman

Gilles Chusseau

Gregor

Eugenio Di Petra

Onofrio Arcoleo

Gérard Tichy

Maitre d'Hôtel

José María Caffarel

(as Caffarel)

Henri Attal

Dumont

Bernard Papineau

Lahcen Boukish

Thug in a Bournous

Serge Bento

Claude Chabrol

Bartender (uncredited)