Calificación
Reparto
Владимир Гардин
Professor Shakhrov
Николай Кутузов
Kuznetsov
M. Tulupov
Professor Yaroshevskiy
Khakim Davletbekov
Khakim
Евгения Пырялова
Zhenya Maltseva
Boris Azarov
Zaretskiy
Kheyhana Tastakhova
Young kazakh woman
Sergey Golubev
Telegraph operator
V. Zakharov
Guryev, student (uncredited)
Николай Мичурин
Factory worker (uncredited)
Vladimir Romashkov
Scientist (uncredited)
V. Stukachenko
Factory worker (uncredited)
Vladimir Chobur
Komsomol member (uncredited)
