Юрий Никулин

Alexey's father

Жанна Прохоренко

Alexey's mother

Владимир Заманский

Zhenya's father

Наталья Селезнёва

Doctor

Sergei Danchenko

Alexey Jiltsov

Mikhail Kozlovsky

Vladimir, Alexey's friend

Olga Ryzhnikova

Zhenya Karetnikova

Евгений Перов

Physics Teacher