How many movies have Matti Louhivuori and Toivo Kärki collaborated on?

They have worked on 4 movies together! Their first movie together was Minä soitan sinulle illalla (1954) while their highest rated movie together was Kankkulan kaivolla (1960). They have not worked together since "Ei se mitään!" sanoi Eemeli (1962). They are most known for their comedy films together.