How many movies have Alena Kopalová and Stanislav Benc collaborated on?

They have worked on 20 movies together! Their first movie together was Muž, žena, Žoržík a klíč (1965) while their highest rated movie together was Vražda v ulici Lourcine (1974). They have not worked together since Dlouhé dopoledne (1991). They are most known for their drama films together.