He impersonated again countless support roles in the 20s and to his well-known productions of those years belong the classic "Das Cabinet des Dr. Caligari" (1920) - here he played the role of a murderer, "Der Hund von Baskerville, 6. Teil: Das Haus ohne Fenster" (1920), "Othello" (1922), "Lucifer" (1922), "Der Mensch am Wege" (1923) and "Aschermittwoch" (1925).