Тайна Кара-Тау (1933)

Vladimir Gardin

Professor Shakhrov

Nikolay Kutuzov

Kuznetsov

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M. Tulupov

Professor Yaroshevskiy

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Khakim Davletbekov

Khakim

Yevgeniya Pyryalova

Zhenya Maltseva

Boris Azarov

Zaretskiy

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Kheyhana Tastakhova

Young kazakh woman

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Sergey Golubev

Telegraph operator

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Viktor Zakharov

Guryev, student (uncredited)

Nikolai Michurin

Factory worker (uncredited)

Vladimir Romashkov

Scientist (uncredited)

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Vladimir Stukachenko

Factory worker (uncredited)

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Vladimir Chobur

Komsomol member (uncredited)