How many movies have Pēteris Cepurnieks and Semyon Nagorny collaborated on?

They have worked on 3 movies together! Their first movie together was Springtime Frost (1955) while their highest rated movie together was Following the Swan Flock of Clouds (1957). They have not worked together since Latviešu strēlnieka stāsts (1958). They are most known for their drama films together.