Bernhard Goetzke as Professor Zange

Natalya Rozenel as Felitsia, professor's wife

Elza Temary as Berta, professor's assistant

Nikolai Khmelyov as Prince Karlstein

Sergei Komarov as Bsheshinski, Jesuit

Vladimir Fogel as Baron, reactionary

Mikhail Doller as Russian student Filonov, professor's assistant

Aleksandr Chistyakov as Pryer, typographer

Alexandr Gromov as Shtrombakh

Anatoli Lunacharsky as

Anna Zemtsova as

Gyulbike Shcherbatova as

Vasili Bokarev as Rich man

Mariya Shlenskaya as Enamored old Polish woman

Daniil Vvedenskiy as (uncredited)

Ivan Lavrov as (uncredited)

Vladimir Tsoppi as (uncredited)