Jean-Paul Belmondo as Francis

Geraldine Chaplin as Zelda van Willie

Sophie Daumier as Monique

Georges Géret as Max Zegetti

Gabriele Ferzetti as Victor Dermott

Akim Tamiroff as Frank Kramer

Adolfo Celi as Mr. Van Willie

Jacques Monod as Joseph Lucas

Analía Gadé as Consuelo Dermott

Emilio Rodríguez as Inspector

José Riesgo as Comisario Fuentes

Claude Cerval as Jean-Pierre 'Pierrot' - le pigeon

Germaine Kerjean as Madame Zegetti - la mère de Max

Jacques Higelin as Le motard

Michèle Viborel as La copine de Francis

Carlos Casaravilla as Le commissaire

Guy Di Rigo as Le barman

Félix Fernández as Le docteur Fabregas

Manuel Zarzo as L'employé du téléphone