Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Aleksandr Safronov | Volodya Prokhorov | Unowned |
 |
Igor Vasilev | Academician Korostylyov | Unowned |
 |
Yuriy Nazarov | Rodion Terentyevich Ugryumov | Unowned |
 |
Lyudmila Maksakova | Yuliya Aleksandrovna Skurlatova | Unowned |
 |
Vladimir Nosik | Dyomkin | Unowned |
 |
Olga Gudkova | Lena | Unowned |
 |
Nadezhda Butyrtseva | Tanya | Unowned |
 |
Vladimir Gulyaev | Shibanov | Unowned |
 |
Gennadi Korolkov | Kharlamov | Unowned |
 |
Vladimir Kozelkov | Unowned | |
 |
Gennadi Krasheninnikov | Petrikov | Unowned |
 |
Aleksandr Pyatkov | Tyurin | Unowned |
 |
Georgios Sovchis | Gulyayev | Unowned |
 |
Valery Shalnyh | Valeriy Orlov | Unowned |
 |
Vladimir Privalov | Unowned | |
 |
Nikolay Shatskiy | Grandpa Antip | Unowned |
 |
Vadim Aleksandrov | Sherstyuk | Unowned |
 |
Natalya Khorokhorina | Unowned | |
 |
Aleksey Zolotnitskiy | Scientist | Unowned |
 |
Veleriy Zakharyev | Research Assistant | Unowned |
 |
Andrei Voznesenskiy | Unowned | |
 |
Yuri Gusev | Scientist(uncredited) | Unowned |