Aleksandr Borisov

Ivan Petrovich Pavlov

Nina Alisova

Varvara Antonovna Ivanova

Vladimir Chestnokov

Lev Zakarich Zabelin

Fyodor Nikitin

Gleb Mikhailovich Zvantsev

Vladimir Balashov

Semenov

Nikolai Plotnikov

Nikodin Vasilyevich

Ivan Dmitriev

Dmitri Pavlov

Grigoriy Shpigel

Professor Petrushev

Vasili Sofronov

Arkip Semyonovich Telegin

Grigori Belinnkevich

Sergei Mironovich Kirov

Nikolai Cherkasov

Maxim Gorky

Roman Rubinshteyn

Konstantin Adashevsky

Stepan Lukich

Nikolay Kharitonov

student

Vladimir Kryuger

John Hicks (uncredited)

Vasiliy Maksimov

American Journalist