How many movies have Armas Vallasvuo and Keijo Iiskola collaborated on?

They have worked on 5 movies together! Their first movie together was On lautalla pienoinen kahvila (1952) while their highest rated movie together was Niskavuoren Heta (1952). They have not worked together since Niskavuori taistelee (1957). They are most known for their drama films together.