How many movies have Irja Viherpuu and Osmo Harkimo collaborated on?

They have worked on 4 movies together! Their first movie together was Prinsessa Ruusunen (1949) while their highest rated movie together was Aaltoska orkaniseeraa (1949). They have not worked together since Isäpappa ja keltanokka (1950). They are most known for their comedy films together.