How many movies have Barbie Millowitsch-Steinhaus and Helmut Kosiarka acted in together?

They have worked on 2 movies together! Their first movie together was Millowitsch Theater - Die Prinzessin vom Nil (1987) and was their highest rated movie together. They have not worked together since Millowitsch Theater - Die vertagte Hochzeitsnacht (1988).