Vladimir Lenin
Vasili, Lenin's protege
Konstantinov, conspirator chieftain
Feliks Edmundovich Dzerjinsky
Kremlin Commandant Mateyev
Maksim Gorky
Yakov Mikhailovich Sverdlov
Sintsov, a spy
Rutkovsky, a conspirator
Novikov, a conspirator
Fanni Kaplan
Yevdokia Ivanova, Lenin's housekeeper
Joseph Stalin
Klim Voroshilov
Nadyezda Konstantinovna Krupskaya (Lenina)
Bobilev, Lenin's orderly
Vasili's Wife
Kulak from Tamborsk
Andrei Fedorovich, attending physician
Professor of Medicine
Polyakov (uncredited)