He was able to continue his film career as a young adult in the silent movie era of the 20s and he impersonated smaller roles in the next years.
His last cinematical works came in the sound film era of the 30s into being. To these movies belong the classic "Der blaue Engel" (30) with Marlene Dietrich and Emil Jannings.
The child actor Rolf Müller was able to launch his film career in 1915 and he followed his two sisters Lotte and Hilde Müller who already started their film career in 1910.