How many movies have Pentti Viljanen and Pertti Seppälä collaborated on?

They have worked on 4 movies together! Their first movie together was Herra sotaministeri (1957) while their highest rated movie together was Villin Pohjolan kulta (1963). They have not worked together since Villin Pohjolan kulta (1963). They are most known for their comedy films together.