Элина Быстрицкая

Yelizaveta Muromtseva

Sergueï Bondartchouk

Yuri Yershov

Софья Гиацинтова

Anna Yershova, Yuri's Mother

Евгений Самойлов

Aleksandr Aganin

Евгений Лебедев

Fyodor Ivanovich

Александр Лариков

grandpa Spirin

Герман Хованов

Vasiliy Spirin

Юрий Толубеев

Nikolai Sladkov

Эраст Гарин

Koloskov

Антонина Богданова

aunt Polya, Muromtseva's neighbour

Сергей Карнович-Валуа

professor Valentin Osipovich

Сергей Дворецкий

student Sergei Andreyev

Olga Zabotkina

student Nadya

Vladimir Voronov

Ponomaryov

Сергей Карнович-Валуа

Professor Valentin Osipovich

Boris Lyoskin

Malingerer

Vladimir Chobur

Plant director

Yuri Bublikov

Plant engineer

Валентина Чемберг

Patient's mother

Gleb Selyanin

Volodya, student

Ariadna Kuznetsova

Graduate (uncredited)

Юрий Родионов

Yura (uncredited)

Alexandra Trishko

Yard-keeper (uncredited)

Tatyana Khorishko

Nastenka Spirina (uncredited)

Yekaterina Sobol

Patient (uncredited)