About a young girl who came to a distant land for geological practice.
| Actor | Role |
|---|---|
 Gleb StrizhenovIvan Yegorovich Letyagin | Ivan Yegorovich Letyagin |
 Nikifor KolofidinKirill Kirillovich Kalinushkin | Kirill Kirillovich Kalinushkin |
 Alla ChernovaGalya Ustinovich | Galya Ustinovich |
 Boris BityukovSelivon | Selivon |
| EEvgeniy DubasovKostya | Kostya |
 Vladimir KashpurBimbirekov | Bimbirekov |
 Pyotr KiryutkinYegorychev | Yegorychev |
| LLev LobovPilot | Pilot |
 Elena MaksimovaPraskovya Savvishna | Praskovya Savvishna |
 Mikhail MayorovYuriy Grigoryevich Ustinovich | Yuriy Grigoryevich Ustinovich |
 Pyotr MukhinEngineer | Engineer |
 Nikolay PogodinOgurenkov | Ogurenkov |
 Pyotr SobolevskyEngineer | Engineer |
 Yevgeni TeterinIvan Semyonovich Spiridonov | Ivan Semyonovich Spiridonov |
 Sergey YurtaykinDriver | Driver |
 Vladimir SeleznyovNot listed | Not listed |