James Huth Director, Screenwriter Melvil Poupaud Jesse James Actor Jean Dujardin Lucky Luke Actor Sylvie Testud Calamity Jane Actor Alexandra Lamy Belle Actor Michaël Youn Billy The Kid Actor Jean-François Balmer Le gouverneur Actor Daniel Prévost Pat Poker Actor Bruno Salomone Jolly Jumper Actor Carlos Kaspar Hank Actor Rafael Lavin Actor René Goscinny Screenwriter Morris Screenwriter Sonja Shillito Screenwriter, Producer, Writer Saïd Ben Saïd Executive Producer Óscar Kramer Producer Yves Marmion Executive Producer Bruno Coulais Original Music Stéphane Le Parc Cinematographer Frédérique Olszak Film Editing Antoine Vareille Film Editing Anne Barbier Art Director