Natasha Solovyeva
Vladimir Solovyev
Stepan Nikitich - Construction Manager
Construction Partorg - Aleksandr Gavrilovich (as A. Polibin)
Andrei Sazanov - Komsomol City Committe Secretary
Subotin
Motya
Klava (as A. Matveyeva)
Cossack Woman (as Ye. Golynchik)
Pyotr Aleynikov
Mavrin
Kilya (as B. Khadarov)
Old Nanai - Kilya's Father (as Z. Nakhashkiyev)
Chekanov
Butsenko
Technical Supervisor
Spy (uncredited)
Sergey Chekanov (uncredited)