Borja and Seva live on the bank of the Dnieper. In summer, during vacations, they help adults by delivering letters. Suddenly they learn that a poacher has appeared in the village. The boys start their own investigation.
Leonid Kharonsky
Sevka
Nikolay Ashikhmin
Boris
Pavel Luspekayev
Stepan (shofyor gruzovika)
Nikolay Kryuchkov
Ivan Zakharovich (major militsii, otets Borisa)
Leonid Kharitonov
Valka (kapitan rechnogo buksira)
Alevtina Rumyantseva
Polina Ivanovna (mama Sevki)
Anatoliy Solovyov
papa Sevki
Emmanuil Geller
Pastukh zavyazavshiy s alkogolem
