How many movies have Jarmila Gerlová and Marta Richterová acted in together?

They have worked on 4 movies together! Their first movie together was Bylo čtvrt a bude půl (1968) while their highest rated movie together was I Killed Einstein, Gentlemen (1970). They have not worked together since Královské usínání (1975). They are most known for their comedy films together.