How many movies have Kaarlo Wilska and Keijo Iiskola collaborated on?

They have worked on 6 movies together! Their first movie together was On lautalla pienoinen kahvila (1952) while their highest rated movie together was 1918 (1957). They have not worked together since Pekka ja Pätkä sammakkomiehinä (1957). They are most known for their drama films together.