A diamond smuggling operation goes wrong when an ordinary Soviet citizen becomes unwittingly involved, and the criminals are forced to court him to retrieve their diamonds.
Yuriy Nikulin
Semyon Semyonovich Gorbunkov
Nina Grebeshkova
Nadezhda Ivanovna Gorbunkova
Nonna Mordyukova
Varvara Pliushch
Svetlana Svetlichnaya
Anna Sergeyevna
Anatoliy Papanov
Lyolik
Andrey Mironov
Gennadiy Kozodoyev
Stanislav Chekan
Mikhail Ivanovich, captain
Vladimir Gulyaev
Volodya, lieutenant of militsiya
