How many movies have Gustav Oplustil and Stella Zázvorková collaborated on?

They have worked on 12 movies together! Their first movie together was Svatební cesta aneb Ještě ne, Evžene! (1966) while their highest rated movie together was The Unfortunate Bridegroom (1967). They have not worked together since Larks on a String (1990). They are most known for their comedy films together.