How many movies have Masa Niemi and Siiri Angerkoski acted in together?

They have worked on 20 movies together! Their first movie together was Lentävä kalakukko (1953) while their highest rated movie together was Hei, rillumarei! (1954). They have not worked together since Pekka ja Pätkä neekereinä (1960). They are most known for their comedy films together.