Bob Letellier, a good looking rich kid who studies science, makes the acquaintance of Alain, a cynical and immoral young man. The latter introduces him to the existentialist circles of Saint-Germain-des-Prés. Bob is invited to a party and becomes Clo's lover, a rich heiress.
Roland Lesaffre | Roger |
Pascale Petit | Mic |
Jacques Charrier | Bob |
Laurent Terzieff | Alain |
Pierre Brice | Bernard |
Jean-Paul Belmondo | Lou |
Andréa Parisy | Clotilde de Vaudremont |
Dany Saval | Nicole |
Jacques Perrin | le jeune qui monte sur la Vespa |
Denise Vernac | La mère de Mic |
Jacques Marin | Hippolyte Félix |