How many movies have Heinz Erhardt and Willy Reichert acted in together?

They have worked on 4 movies together! Their first movie together was Der letzte Fußgänger (1960) while their highest rated movie together was Gentlemen in White Vests (1970). They have not worked together since Was ist denn bloß mit Willi los? (1970). They are most known for their comedy films together.