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

They have worked on 12 movies together! Their first movie together was Yhden yön hinta (1952) while their highest rated movie together was Hei, rillumarei! (1954). They have not worked together since Kiinni on ja pysyy (1955). They are most known for their comedy films together.