Ivan Pavlov

Ivan Petrovich Pavlov

Varvara Antonovna Ivanova

Lev Zakarich Zabelin

Gleb Mikhailovich Zvantsev

Semenov

Nikodin Vasilyevich

Dmitri Pavlov

Professor Petrushev

Arkip Semyonovich Telegin

Sergei Mironovich Kirov

Maxim Gorky

Acting

Stepan Lukich

student

John Hicks (uncredited)

American Journalist