Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Nikolay Kutuzov | Igor Belyaev | Unowned |
 |
Valentina Kuindzhi | Lyudmila Belyaeva | Unowned |
 |
Georgi Muzalevsky | Kaustov, engineer | Unowned |
 |
Mariya Svetukhina | Engineer's assistant | Unowned |
 |
Alexandr Gromov | Master | Unowned |