In an effort to expose the mafia resident, the criminal investigation inspector infiltrates the criminal environment and finds out who is hiding under the guise of one of his bosses.
| Actor | Role |
|---|---|
 Anatoli KhostikoyevArkadiy Yershov | Arkadiy Yershov |
 Yelena KolchuginaLyuda | Lyuda |
 Aleksandr BerdaGrisha | Grisha |
 Leonid KulaginShtemp | Shtemp |
 Yuriy OsipovВиктор Григорьевич | Виктор Григорьевич |
 Valentina TitovaNot listed | Not listed |
 Boris BystrovColonel | Colonel |
 Nikita ProzorovskyGvozdev | Gvozdev |
 Valeriy SmetskoyGuram Tskhatkelli | Guram Tskhatkelli |
 Yuriy SherstnyovColonel | Colonel |
 Igor ShapovalovCircassian | Circassian |
 Valeri GatayevNot listed | Not listed |
| VVladimir BelousovNot listed | Not listed |
 Guram PirtskhalavaNot listed | Not listed |
 Aleksandr VilkovNot listed | Not listed |