Попрыгунья

Lyudmila Tselikovskaya

Olga Dymova

Sergey Bondarchuk

Dr. Osip Dymov

Vladimir Druzhnikov

Ryabovsky

Yevgeni Teterin

Dr. Fedor Lukich Korostylev

Georgi Georgiu

Uzdechkin

Mikhail Gluzskiy

Burkin

Antonina Maksimova

Zvonkovskaya

Aleksandr Aleksin

Olga's friend

Anatoliy Bobrovskiy

drug Olgi

Vasili Bokarev

Bryndin

Aleksandr Kleberer

Podgorin (as A. Kelberer)

Sergey Komarov

Vasiliy Vasilyevich