Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Andrey Myagkov | Anton Dmitrievich Tikhomirov (young scientist) | Unowned |
 |
Anatoli Papanov | Igor Mazin (investigator) | Unowned |
 |
Irina Miroshnichenko | Inna Krotova (former lover) | Unowned |
 |
Vladimir Zeldin | Diaghilev (professor and supervisor of Anton Tikhomirov) | Unowned |
 |
Zhanna Prokhorenko | Irina Tikhomirova (ex-wife) | Unowned |
 |
Albert Filozov | Ilya Rozhdestvensky (childhood friend and colleague) | Unowned |
 |
Irina Reznikova | Svetlana Meshkova (fiancee of Anton Tikhomirov) | Unowned |