How many movies have Ludmila Píchová and Miloš Kopecký acted in together?

They have worked on 4 movies together! Their first movie together was Jaroslav Hasek's Exemplary Cinematograph (1956) while their highest rated movie together was O lidech okolo stolu (1958). They have not worked together since A Star Travels South (1964). They are most known for their comedy films together.