How many movies have Heintje Simons and Rudolf Schündler acted in together?

They have worked on 5 movies together! Their first movie together was Zum Teufel mit der Penne (1968) while their highest rated movie together was Heintje - A Heart Goes on a Journey (1969). They have not worked together since Morgen fällt die Schule aus (1971). They are most known for their comedy films together.