How many movies have Helena Růžičková and Jan Libíček acted in together?

They have worked on 21 movies together! Their first movie together was 90° in the Shade (1965) while their highest rated movie together was Three Wishes for Cinderella (1973). They have not worked together since Kufr čili Silvestrovské kousky Miloše Kopeckého a Františka Filipovského (1973). They are most known for their comedy films together.