导演 Виктор Эйсымонт

Degtyarev Евгений Буренков

Liza Нина Дорошина

Varvara Nikolaevna Валентина Владимирова

Sakharov Владимир Гусев

teacher Татьяна Пельтцер

Borya Stanislav Lykhin

Nadya Alla Gutchina

geometry teacher Георгий Вицин

Makar Aleksandr Vasilyev

Nikolai Николай Новлянский

member of the construction team Галина Самохина

Viktor Nikolayevich Евгений Шутов

Дима Успенский

Серёжа Смирнов

Витя Стульчиков

(uncredited) Виталий Балагуров

(uncredited) Борис Баташев

member of the construction team (uncredited) Ігор Безяєв

(uncredited) Константин Ерофеев

member of the construction team (uncredited) Клавдия Козлёнкова

Kostya Fomin (uncredited) Алексей Крыченков

member of the construction team (uncredited) Александр Лебедев

(uncredited) Владимир Лебедев

(uncredited) Галина Малиновская

passerby (uncredited) Георгий Милляр

builder (uncredited) Артур Нищёнкин

Valya (uncredited) Вера Петрова

(uncredited) Надежда Самсонова

builder (uncredited) Николай Смирнов

(uncredited) Галина Соколова

(uncredited) Михаил Щербаков

member of the construction team (uncredited) Тамара Яренко