How many movies have Gertraud Jesserer and Raoul Retzer acted in together?

They have worked on 4 movies together! Their first movie together was Die Halbzarte (1959) while their highest rated movie together was I Learned It from Father (1964). They have not worked together since Das Spukschloß im Salzkammergut (1966). They are most known for their comedy films together.