How many movies have Heikki Laakkonen and Usko Kemppi collaborated on?

They have worked on 4 movies together! Their first movie together was Nummisuutarit (1957) while their highest rated movie together was Niskavuoren naiset (1958). They have not worked together since Nuoruus vauhdissa (1961). They are most known for their comedy films together.