Claude Chabrol Director, Writer, Producer Gérard Blain Charles Actor Jean-Claude Brialy Paul Actor Claude Cerval Clovis Dalbecque Actor Geneviève Cluny Geneviève Actor Guy Decomble Bookseller Actor Corrado Guarducci Italian Count Minerva Actor Michèle Méritz Yvonne Actor Juliette Mayniel Florence Actor Stéphane Audran Françoise Actor Paul Bisciglia Marc Actor Jeanne Perez Cleaning lady Actor Françoise Vatel Martine Actor Andre Chanal Actor Gilbert Edard Actor Clara Gansart Actor Jean-Louis Maury Un joueur de bridge Actor Virginie Vitry Actor Jean-Marie Arnoux Actor Robert Barre Actor Michel Benoist Actor Gaby Blonde Actor Chantal Bouchon Actor Catherine Candida Actor Jacques Deschamps Actor Abdou Filali Actor Yann Groel Actor Andre Jocelyn Garçon au champagne Actor Jacques Kemp Actor Jean-Pierre Moulin Philippe Actor Sabine Moussali Actor Paul Gégauff Writer Henri Decaë Cinematographer Paul Misraki Original Music Jacques Gaillard Film Editing Bernard Evein Production Design, Set Decoration Jacques Saulnier Production Design, Set Decoration