How many movies have Rudolf Schündler and Trude Haefelin acted in together?

They have worked on 3 movies together! Their first movie together was Heiratsinstitut Ida & Co. (1937) while their highest rated movie together was Die Sterne lügen nicht (1950). They have not worked together since Die Sterne lügen nicht (1950). They are most known for their comedy films together.