Cast
Boris Runge
Lyova Prokushev
Yekaterina Derevshchikova
Katya
Anatoli Goryunov
Doctor (uncredited)
Nina Rusinova
Arkadiy's mother
Dagmara Deringer
Lidochka
Lev Potyomkin
Arkadiy's father
Anatoliy Ignatyev
Seryozha
Vera Altayskaya
Marusya Ivanova, pioneer leader
Pyotr Savin
Vladimir Vishnyakov, teacher
Andrei Tutyshkin
School headmaster
Elena Maksimova
Vitya Surikov's mother
Aleksandr Sashin-Nikolsky
Friend of Surikov's mother