How many movies have Peter Kranz and Ulrike Butz acted in together?

They have worked on 4 movies together! Their first movie together was Girls and the Love Games (1972) while their highest rated movie together was Secrets of Sweet Sixteen (1973). They have not worked together since Liebesgrüße aus der Lederhose 2: Zwei Kumpel auf der Alm (1974). They are most known for their comedy films together.