sentences:  He first garnered acclaim at the 1953 Cannes Film Festival for a supporting role in Jean Dreville's "Endless Horizons" ("Horizons sans fin") and over the next few years as the romantic lead in André Michel's "La sorcière" ("The Blonde Witch"/"The Sorceress", 1956) and in Jules Dassin's "He Who Must Die", ("Celui qui doit mourir", 1957).It was at the presentation of "La Sorcière" at Cannes where he met a creative and an intellectual counterpart in Louis Malle.Two years later, he made his international box-office breakthrough as Julien Tavernier in Malle's first feature film "Elevator to the Gallows" ("Ascenseur pour l'échafaud" 1958), which features Jeanne Moreau.