On screen
Cast
14 credited performers
Vladimir Gardin
Professor Shakhrov
Nikolay Kutuzov
Kuznetsov
Artwork unavailable
M. Tulupov
Professor Yaroshevskiy
Artwork unavailable
Khakim Davletbekov
Khakim
Yevgeniya Pyryalova
Zhenya Maltseva
Boris Azarov
Zaretskiy
Eliana Dugina
Young Kazakh girl
Artwork unavailable
Kheyhana Tastakhova
Young kazakh woman
Artwork unavailable
Sergey Golubev
Telegraph operator
Artwork unavailable
Viktor Zakharov
Guryev, student (uncredited)
Nikolai Michurin
Factory worker (uncredited)
Vladimir Romashkov
Scientist (uncredited)
Artwork unavailable
Vladimir Stukachenko
Factory worker (uncredited)
Vladimir Chobur
Komsomol member (uncredited)