Who's film "Le Monde du silence" won the Palme d'Or in 1956 and the Academy Award for Best Documentary in 1957, Louis Malle or  Arne Sucksdorff?
Louis Malle:  His film "Le Monde du silence" won the Palme d'Or in 1956 and the Academy Award for Best Documentary in 1957, although he was not credited at the ceremony with the award instead being presented to the film's co-director Jacques Cousteau.
i don't know