Name: Тайна Кара-Тау
Cast: Vladimir Gardin, Nikolay Kutuzov, M. Tulupov, Khakim Davletbekov, Yevgeniya Pyryalova

Vladimir Gardin

(Professor Shakhrov)

Nikolay Kutuzov

(Kuznetsov)

M. Tulupov

(Professor Yaroshevskiy)

Khakim Davletbekov

(Khakim)

Yevgeniya Pyryalova

(Zhenya Maltseva)

Boris Azarov

(Zaretskiy)

Kheyhana Tastakhova

(Young kazakh woman)

Sergey Golubev

(Telegraph operator)

Viktor Zakharov

(Guryev, student (uncredited))

Nikolai Michurin

(Factory worker (uncredited))

Vladimir Romashkov

(Scientist (uncredited))

Vladimir Stukachenko

(Factory worker (uncredited))

Vladimir Chobur

(Komsomol member (uncredited))