How many movies have Franz Kauer and Ria Alldorf acted in together?

They have worked on 1 movie together! Their first movie together was Frauenbeichte, 1. Teil - Die Beichte einer Ausgestossenen (1921) and was their highest rated movie together. They have not worked together since Frauenbeichte, 1. Teil - Die Beichte einer Ausgestossenen (1921).