演职人员
Professor Shakhrov
Владимир Гардин
Kuznetsov
Николай Кутузов
Professor Yaroshevskiy
M. Tulupov
Khakim
Хаким Давлетбеков
Zhenya Maltseva
Евгения Пырялова
Zaretskiy
Борис Азаров
Young Kazakh girl
Eliana Dugina
Young kazakh woman
Kheyhana Tastakhova
Telegraph operator
Сергей Голубев
Guryev, student (uncredited)
V. Zakharov
Factory worker (uncredited)
Николай Мичурин
Scientist (uncredited)
Владимир Ромашков
Factory worker (uncredited)
Vladimir Stukachenko
Komsomol member (uncredited)
Владимир Чобур