From 1933 he wrote regularly screenplays for movies and in the next years he worked for well-known productions as "Der Zarewitsch" (1933), "Pipin, der Kurze" (1934), "Der Vetter aus Dingsda" (1934), ), "Sein bester Freund" (1937), "Pat und Patachon im Paradies" (1937) and "Nanon" (1938).