How many movies have Antti Litja and Markku Kopisto collaborated on?

They have worked on 4 movies together! Their first movie together was Mies, joka ei osannut sanoa ei (1975) while their highest rated movie together was Kiljusen herrasväki (1981). They have not worked together since Kiljusen herrasväki (1981). They are most known for their comedy films together.