How many movies have Eka Karppanen and Heikki Aaltoila collaborated on?

They have worked on 28 movies together! Their first movie together was Ristikon varjossa (1945) while their highest rated movie together was Niskavuoren Heta (1952). They have not worked together since Pikku Ilona ja hänen karitsansa (1957). They are most known for their comedy films together.