How many movies have Irja Kuusla and Pentti Valkeala collaborated on?

They have worked on 15 movies together! Their first movie together was Kuudes käsky (1947) while their highest rated movie together was Hedelmätön puu (1947). They have not worked together since Pekka ja Pätkä ketjukolarissa (1957). They are most known for their comedy films together.