How many movies have Paul Westermeier and Siegfried Berisch acted in together?

They have worked on 2 movies together! Their first movie together was The Mystery of the Red Cat (1931) while their highest rated movie together was Berlin-Alexanderplatz: The Story of Franz Biberkopf (1931). They have not worked together since Berlin-Alexanderplatz: The Story of Franz Biberkopf (1931).