Тайна Кара-Тау

Владимир Гардин

Professor Shakhrov

Николай Кутузов

Kuznetsov

Sin foto

M. Tulupov

Professor Yaroshevskiy

Sin foto

Хаким Давлетбеков

Khakim

Евгения Пырялова

Zhenya Maltseva

Борис Азаров

Zaretskiy

Eliana Dugina

Young Kazakh girl

Sin foto

Kheyhana Tastakhova

Young kazakh woman

Sin foto

Сергей Голубев

Telegraph operator

Sin foto

V. Zakharov

Guryev, student (uncredited)

Николай Мичурин

Factory worker (uncredited)

Владимир Ромашков

Scientist (uncredited)

Sin foto

Vladimir Stukachenko

Factory worker (uncredited)

Владимир Чобур

Komsomol member (uncredited)