How many movies have Jiří Volbracht and Petr Haničinec collaborated on?

They have worked on 2 movies together! Their first movie together was Pan Větrovský z Větrova a paní Deštná z Dešťova a také Martin a Klaudina (1970) and was their highest rated movie together. They have not worked together since O princezně ve věži (1970).