How many movies have Erich Kleiber and Willy Harlander acted in together?

They have worked on 3 movies together! Their first movie together was Mensch, ärgere dich nicht (1972) while their highest rated movie together was Love Bavarian Style (1973). They have not worked together since Zwei Rebläuse auf dem Weg zur Loreley (1975). They are most known for their comedy films together.