How many movies have Carl Ballhaus and Trude von Molo acted in together?

They have worked on 2 movies together! Their first movie together was Cadets (1931) while their highest rated movie together was Der Läufer von Marathon (1933). They have not worked together since Der Läufer von Marathon (1933).

Role
Kadettenunteroffizier von Zerbitz
Role
Helene von Seddin, seine Frau