The film is about the search for foreign intelligence agents and secret police's struggle with them.
| Actor | Role |
|---|---|
 Sergei TroitskyDips | Dips |
 Abbas Mirza SharifzadehNot listed | Not listed |
 Pyotr KirillovNot listed | Not listed |
| PPavel VelskiyPavel Dobrov | Pavel Dobrov |
| OOlga LevykinaOlga Sizova | Olga Sizova |
 Aleksandr LitvinovNot listed | Not listed |
 Nadezhda VendelinNot listed | Not listed |