How many movies have František Dojáček and Jindřich Novotný collaborated on?

They have worked on 3 movies together! Their first movie together was Trik aneb Jak dámu okouzlit aneb Jak manžela oblafnout (1964) while their highest rated movie together was Bečička (1971). They have not worked together since Konec agenta č. 312 (1974). They are most known for their comedy films together.