How many movies have Heidi Mahler and Rudolf Möller acted in together?

They have worked on 3 movies together! Their first movie together was Ohnsorg Theater - Trautes Heim (1970) while their highest rated movie together was Ohnsorg Theater - Das Herrschaftskind (1972). They have not worked together since Ohnsorg Theater - Das Kuckucksei (1981). They are most known for their comedy films together.