After the end of WWII engineer Lobanov is trying to introduce the invention he made together with his friend during the war.
| Actor | Role |
|---|---|
 Igor GorbachyovNot listed | Not listed |
 Tatyana GuretskayaNot listed | Not listed |
 Antoni KhodurskyNot listed | Not listed |
 Efim KopelyanNot listed | Not listed |
 Ignat LeyrerNot listed | Not listed |
 Nina MamayevaNot listed | Not listed |
 Yevgeny MatveyevNot listed | Not listed |
 Aleksandr SokolovNot listed | Not listed |
 Mikhail YekaterininskiyNot listed | Not listed |
 Mikhail LadyginNot listed | Not listed |
 Maya BlinovaNot listed | Not listed |
 Georgiy SamoylovNot listed | Not listed |