Directed by
| Adolf Minkin | ||
| Igor Sorokhtin | ||
Writing Credits (in alphabetical order)
| Vladimir Nedobrovo | ... | (as V. Nedobrovo) |
Cast (in credits order)
 |
Gennadiy Michurin | ... | Professor Gorn |
| Yuriy Tolubeev | ... | Popov - Geologist | |
| Konstantin Adashevsky | ... | Chernyavskiy - Geologist | |
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Serafim Azanchevskiy | ... | Foreigner - Professor Jefferson |
|
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Georgi Orlov | ... | Geologist |
|
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Boris Feodosyev | ... | Geologist |
|
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Nikolay Dubinskiy | ... | Rakhim |
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Solomon Mikhoels | ... | Guide |
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Yakov Malyutin | ... | Grand Duke |
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Kasim Mukhutdinov | ... | Said |
| Rest of cast listed alphabetically: | |||
| Sergei Karnovich-Valua | ... | Chairman of the Academic Council (uncredited) | |
|
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Ursula Krug | ... | Student at the Party (uncredited) |
Music by
| Boris Arapov | ||
Cinematography by
| Fedor Zandberg | ... | (as F. Zandberg) |
Production Design by
| Pavel Zaltsman | ||
Second Unit Director or Assistant Director
| Semyon Derevyansky | ... | second director (as S. Derevyanskiy) |
| Iosif Gindin | ... | second director (as I. Gindin) |
| Ekaterina Serdechkova | ... | second director (as Ye. Serdechkova) |
Art Department
| Naum Fishman | ... | artistic sculptural works (as N. Fishman) |
Sound Department
| Nikolai Dabolin | ... | sound engineer (as N. Dabolin) |
Camera and Electrical Department
| V. Bogdanov | ... | second operator |
| L. Sokolovsky | ... | second operator (as L. Sokolovskiy) |
