How many movies have Jan Skarpíšek and Jiří Polák collaborated on?

They have worked on 5 movies together! Their first movie together was Když hvězdy vyplovou... (1974) while their highest rated movie together was Láďo, ty jsi princezna! (1979). They have not worked together since Koncert Petry Janů (1987). They are most known for their music films together.