How many movies have Andrea Rau and Renate Willeg collaborated on?

They have worked on 3 movies together! Their first movie together was Charleys Onkel (1969) while their highest rated movie together was Fluchtweg St. Pauli - Großalarm für die Davidswache (1971). They have not worked together since Fluchtweg St. Pauli - Großalarm für die Davidswache (1971). They are most known for their crime films together.