How many movies have Horst Tappert and Rudi Schmitt acted in together?

They have worked on 2 movies together! Their first movie together was August der Starke - Ein ganzes Volk nennt ihn Papa (1970) while their highest rated movie together was Yester - der Name stimmt doch? (1971). They have not worked together since Yester - der Name stimmt doch? (1971).