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