Leonid Leonidov

as Professor Kochubey

Konstantin Eggert

as Boris, White emigrant

Aleksandra Toidze

as Irina

Boris Tamarin

as Lieutenant Fogel

Georgi Kovrov

as Sobin

S. Gerts

as Koka, professor's grandson

Alexandr Gromov

as Revolutionary

Marina Ladynina

Georgy Vsevolodov

Mariya Shlenskaya

as Nanny (uncredited)