How many movies have Jānis Osis and Pēteris Cepurnieks acted in together?

They have worked on 3 movies together! Their first movie together was Rainis (1949) while their highest rated movie together was Following the Swan Flock of Clouds (1957). They have not worked together since Following the Swan Flock of Clouds (1957). They are most known for their history films together.