Tayna gornogo podzemelya
| MPAA Rating: | NR |
| Genre: | Adventure, Family |
| Directed By: | Lev Mirsky |
| Written By: | Maksud Ibragimbekov |
| Cast: | Pavel Khlyostkin, Mikhail Volkov, Natalya Fateeva, Vladimir Rudko, Inna Palekhova, Aleksandr Donets |
| In Theaters: | Mar 25, 1976 |
| Runtime: | 1 hour 17 minutes |
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