How many movies have Kristina Nel and Rolf A. Wilhelm collaborated on?

They have worked on 3 movies together! Their first movie together was Hurrah, the School Is Burning (1969) while their highest rated movie together was Wir hau'n die Pauker in die Pfanne (1970). They have not worked together since Wir hau'n die Pauker in die Pfanne (1970). They are most known for their comedy films together.