All Cast
Nikolai Cherkasov
scientist Fyodor Dronov
Sofiya Pilyavskaya
Natalya Dmitrievna, Dronov's wife
Andrei Popov
father Serafim
Elina Bystritskaya
Ksenia Rumyantseva
Igor Ozerov
Alexei Vyazmin
Igor Gorbachyov
Victor Morozov
Galina Anisimova
Asya Davidovna
Yakov Malyutin
Mikhail Morgunov
Vera Kuznetsova
Anna Pavlovna, Vyazmin's mother
Efim Kopelyan
Filimonov
Boris Ryzhukhin
Sizov
Pavel Pankov
Troshkin