How many movies have Jiřina Davidová and Lubomír Kostelka collaborated on?

They have worked on 3 movies together! Their first movie together was Délka polibku devadesát (1965) while their highest rated movie together was The Unfortunate Bridegroom (1967). They have not worked together since Přísně tajné premiéry (1968). They are most known for their comedy films together.