Konstantin Stepankov
- Slavik
- (as Kostya Stepankov)
Vladimir Konkin
- Revold
- (as V. Konkin)
Roman Tkachuk
- Taras Tarasych
- (as R. Tkachuk)
Irina Davidoff
- Senka's mother
- (as I. Lavrentyeva)
Pyotr Dovgal
- Senka's grandfather
- (as P. Dovgal)
Boryslav Brondukov
- Mikhalych's father
- (as Borislav Brondukov)
Konstantin Stepankov
- Teacher
- (as K. Stepankov)
Viktor Panchenko
- Militsioner
- (as V. Panchenko)
Aleksandr Tolstykh
- Railroad worker
- (as A. Tolstykh)
Aleksandr Movchan
- Captain of Arctic
- (as A. Movchan)
Rudolfs Dambrans
- Nikolay Nikolayevich
- (as R. Dambran)
