How many movies have Miloš Ditrich and Ota Šejnoha collaborated on?

They have worked on 9 movies together! Their first movie together was Muž, žena, Žoržík a klíč (1965) while their highest rated movie together was Za ranních červánků (1970). They have not worked together since Zlatá hvězda na cestách (1971). They are most known for their drama films together.