How many movies have Ivo Novák and Zdeněk Liška collaborated on?

They have worked on 10 movies together! Their first movie together was Žalobníci (1961) while their highest rated movie together was Kam slunce nechodí... (1971). They have not worked together since Poslední ples na rožnovské plovárně (1975). They are most known for their comedy films together.