Jean-Paul Belmondo

as Jo Cavalier

Marie-France Pisier

as Gaby Delcourt

Rachid Ferrache

as Simon Rosenblum

Frank Hoffmann

as Gunther von Beckman

Günter Meisner

as Adolf Hitler / Angela Hitler

Benno Sterzenbach

as Major Aschbach, Gestapo officer

Yves Pignot

as Lucien

Florent Pagny

as Boxer

Sonja Tuchmann

as Sarah Rosenblum

Stéphane Ferrara

as Micholo, boxer

Jean-Roger Milo

as Emile

Maurice Auzel

as Boxing trainer

Michael Gahr

as Brückner, Hitler's adjutant

Martin Umbach

as Lazare Rosenblum

Claus Fuchs

as Dieter

Christoph Lindert

as Mr. Hammel

Hans Wyprächtiger

as Oberleutnant 'Grandpa' Rosenblum

Peter Bonke

Gerd Roman Frosch

David Gabison

Tamara Kafka

Marc Lamole

Jacqueline Noëlle

Pierre Semmler

Adolf Hitler

as Self (archive footage) (uncredited)

Jesse Owens

as Self (archive footage) (uncredited)