Three friends in a summer camp are looking for a treasure hidden in a old mansion.
Sergei Shevkunenko
as Misha Polyakov
Vladimir Dichkovsky
as Genka Petrov
Igor Shulzhenko
as Slavka
Mariya Kapnist
as Countess
Yuri Sidorov
as Sviridov
Виктор Чекмарёв
as Yerofeyev
Николай Кузьмин
as Boatman
Августин Милованов
as Kondraty Stepanovich
Николай Крюков
as Cuban communist
Лилия Гурова
as Romanian communist
Олег Севастьянов
as Zherdyai
Любовь Малиновская
as Zherdyai's mother
