How many movies have Ellen Sylvin and Erkki Karu collaborated on?

They have worked on 6 movies together! Their first movie together was Muurmanin pakolaiset (1927) while their highest rated movie together was Tukkijoella (1928). They have not worked together since Aatamin puvussa ja vähän Eevankin (1931). They are most known for their drama films together.