Boris Ferdinandov
— Igor Mikhaylovich Lebed, school principal
Mikhail Viktorov
— Nikolay Zhikharev
Mikola Nademski
— Zhikharev, Nikolay's father and director of the factory
Valentina Mironova
Владимир Лисовский
— Semyon Petrovich, teacher
Софія Смирнова
— Geography teacher
Владимир Войшвилло
— Communist, factory worker
Михаил Гайворонский
Vyacheslav Gomolyaka
— Engineer
