A tavern on Pyatnitskaya street is a meeting place for all kind of criminals. The only way for police to infiltrate the criminals is to send an undercover agent to the tavern.
| Actor | Role |
|---|---|
 Gennadi KorolkovKlimov | Klimov |
 Tamara SyominaIrina | Irina |
 Konstantin GrigorevSeryy | Seryy |
 Lev PrygunovFramtsuz | Framtsuz |
 Nikolay EryomenkoTsygan | Tsygan |
 Viktor PerevalovPanin | Panin |
 Aleksandr GalibinPashka | Pashka |
 Marina DyuzhevaAlyonka | Alyonka |
 Larisa EryominaVarvara | Varvara |
 Gleb StrizhenovGremin | Gremin |
 Yuriy NazarovShlyonov | Shlyonov |
 Yuri VolkovKalugin | Kalugin |
 Igor VasilevZaitsev | Zaitsev |
 Aleksei PankinSvistok | Svistok |
 Yuri PotyomkinKhvat | Khvat |
| AAnatoly VedyonkinVitun | Vitun |
 Vladimir DruzhnikovVolokhov | Volokhov |
| VVladimir PrikhodkoMitrich | Mitrich |
 Viktor KosykhLyonka | Lyonka |
 Nina AgapovaNot listed | Not listed |
 Valerian VinogradovNot listed | Not listed |
 Anatoli GolikNot listed | Not listed |
 Anatoly IgoninNot listed | Not listed |
 Yevgeniy MarkovNot listed | Not listed |
 Nikolay MalikovNot listed | Not listed |
 Vladimir MyshkinNot listed | Not listed |
| AA. FaizirakhmanovNot listed | Not listed |
 Anatoliy ChubNot listed | Not listed |
 Sergey YurtaykinNot listed | Not listed |
 Igor Buchko(uncredited) | (uncredited) |