How many movies have Hansi Arnstaedt and Margarete Kupfer acted in together?

They have worked on 3 movies together! Their first movie together was Der Schlafwagenkontrolleur (1935) while their highest rated movie together was Die Umwege des schönen Karl (1938). They have not worked together since Die Frau ohne Vergangenheit (1939). They are most known for their drama films together.