Three friends in a summer camp are looking for a treasure hidden in a old mansion.
Сергей Шевкуненко
as Misha Polyakov
Владимир Дичковский
as Genka Petrov
Игорь Шульженко
as Slavka
Мария Капнист
as Countess
Юрий Сидоров
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
