How many movies have Michal Hvozdák and Vladimír Navrátil collaborated on?

They have worked on 8 movies together! Their first movie together was Akce v Istanbulu (1975) while their highest rated movie together was Čas pracuje pro vraha (1980). They have not worked together since Čas pracuje pro vraha (1980). They are most known for their drama films together.