Arkadiy Zubov
Genya
Lyova Prokushev
Vitya Surikov
Lidochka
Katya
Classmate
Aronov, classmate
Seryozha
Marusya Ivanova, pioneer leader
Vladimir Vishnyakov, teacher
Arkadiy's father
Arkadiy's mother
School headmaster
Vitya Surikov's mother
Classmate
Doctor (uncredited)
Friend of Surikov's mother
