His real film career began from 1915. First he appeared in the film serial with the figure Sondi - to these works belong "Sondi hat Pech" (1915), "Sondis Glück im Unglück" (1915), "Sondis Kleine" (1916) and "Sondi's dunkler Punkt" (1915). For the first three mentioned movies he wrote the screenplay and for the first two he even was responsible as the director.