How many movies have Gert Wilden and Rosl Mayr collaborated on?

They have worked on 10 movies together! Their first movie together was Madame and Her Niece (1969) while their highest rated movie together was Schoolgirl Report Part 5: What All Parents Should Know (1973). They have not worked together since Schoolgirl Report Part 9: Mature Before Graduation... (1975). They are most known for their drama films together.