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...
as Яков Петрович Середа
as Горпина Середа - жена Якова
as Галя Очеретько
as Романюк
as Матвей Дорошенко
as Надя
as Хосе Мигель Санчес - «Миша»
as Юра Святоха
as Сашко
as Женя Левченко
as Лариса
as Светлана
as Фимка Воронюк
as Вася Кныш
as Степан
as Костя
as Иннокентий Павлович Каменский
as Тимофей Павлович
as падре Агила
as Хуан Сантос - отец Мигеля
as Тереза Сантос - мать Мигеля
as Корней Васильевич Святоха
as рабочий завода «Арсенал»
as подруга «комсомолка»
as Иван Иванович - парторг завода
as Чуприенко
as врач
as Глаша - подруга Нади
as Юра - на лыжной прогулке
as дон Ромеро
as рыбак
