Initially working for the American company Paramount, they formed the company Paris-Film Production in 1934,[1] and financed Julien Duvivier's Pépé le Moko (1937), Jean Renoir's La Bête Humaine (1938) and Marcel Carné's Le Jour se lève (Daybreak 1939), all starring Jean Gabin. The brothers emigrated to the United States.[2]