How many movies have Puppa Armbruster and Ruth Küllenberg acted in together?

They have worked on 3 movies together! Their first movie together was Schoolgirl Report Part 4: What Drives Parents to Despair (1972) while their highest rated movie together was Sex Clinic '74 (1973). They have not worked together since Schoolgirl Report Part 9: Mature Before Graduation... (1975). They are most known for their comedy films together.