Evgeni Burenkov

Degtyarev

Нина Дорошина

Liza

Валентина Владимирова

Varvara Nikolaevna

Владимир Гусев

Sakharov

Татьяна Пельтцер

teacher

Stanislav Lykhin

Borya

Alla Gutchina

Nadya

Георгий Вицин

geometry teacher

Aleksandr Vasilyev

Makar

Nikolai Novlyansky

Nikolai

Галина Самохина

member of the construction team

Евгений Шутов

Viktor Nikolayevich

Алексей Крыченков

Kostya Fomin (uncredited)

Артур Нищёнкин

builder (uncredited)

Николай Смирнов

builder (uncredited)

Viktor Eisymont