On the eve of the New Year, a Belgian plane carrying a group of Antarctic researchers crashes in the area of the Pearl Mountains. Only the Soviet expedition responds to their call for help. For several days, Soviet pilots, despite the weather conditions and risking their own lives, set out in search of the Belgians...
| Actor | Role |
|---|---|
 Vsevolod SafonovVictor Belov | Victor Belov |
 Radner MuratovIvan Vasiliev | Ivan Vasiliev |
 Oleksandr MovchanLeonid Sarychev | Leonid Sarychev |
 Pavel MorozenkoNikolai Shvorkin | Nikolai Shvorkin |
 Vladimir VolchikJulius Kruminsh | Julius Kruminsh |
 Vladimir KolokoltsevAndrey Kulichok | Andrey Kulichok |
 Nikolai KryukovBaron de Geveren | Baron de Geveren |
 Gurgen TonuntsJohan Haagen | Johan Haagen |
| PPaul VarandiGustav Gotz | Gustav Gotz |
 Rudolf Dambrande Care | de Care |
| VVelta Skurstenede Guy | de Guy |
 Harijs LiepiņšPicolotto | Picolotto |
 Valentīns SkulmeNot listed | Not listed |
| VVladimir YermolayevNot listed | Not listed |
| AAnatoliy PolyakovNot listed | Not listed |
| AAnatoliy MotornyNot listed | Not listed |