How many movies have Nikolay Fedortsov and Stanislav Fesyunov acted in together?

They have worked on 4 movies together! Their first movie together was Hail, Mary! (1971) while their highest rated movie together was The Siege: Leningrad Metronome (1977). They have not worked together since The Siege: Operation "Iskra" (1977). They are most known for their drama films together.