A youth brigade at one of Kyiv's factories is competing for the title of Communist Labor Brigade. They are assisted by an old worker, Yakov Sereda. However, two people actively interfere with the Komsomol members: the rogue Yevgeny, who pretends to be a self-taught inventor, and the careerist engineer Kamensky...
Boris Chirkov
Polina Kumanchenko
Nina Ivanova
Yuri Maksimov
Vladimir Gusev
Mikaela Drozdovskaya
Valery Kvitka
Sergey Dvoretskiy
Anatolii Yurchenko
Vsevolod Larionov
Larisa Levchuk
Valentina Ananina
Oleg Borisov
Pavel Grubnik
Vladislav Kovalkov
Konstantin Ershov
Lev Snezhnitsky
Viktor Khalatov
Alasgar Alakbarov
Nikolay Kutuzov
Avgusta Miklashevskaya
Aleksei Bunin
Sergei Sibel
Nelli Glebova
Nikolai Kozlenko
Nonna Koperzhynska
Yevgeni Ponomarenko
Sergey Leonov
Serhii Petrov
Lyudmyla Alfimova
Mikhail Vodyanoy
Anatoliy Falkovich
Ali Zeynalov