How many movies have Gisela Meissner and Wolf C. Hartwig collaborated on?

They have worked on 2 movies together! Their first movie together was Jürgen Roland’s St. Pauli-Report (1971) 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 5: What All Parents Should Know (1973).