Boris Shchukin

Vladimir Lenin

Nikolai Okhlopkov

Vasili, Lenin's protege

Aleksandr Shatov

Konstantinov, conspirator chieftain

Vasiliy Markov

Feliks Edmundovich Dzerjinsky

Vasili Vanin

Kremlin Commandant Mateyev

Nikolai Cherkasov

Maksim Gorky

Leonid Lyubashevsky

Yakov Mikhailovich Sverdlov

Vladimir Solovyov

Sintsov, a spy

Nikolai Svobodin

Rutkovsky, a conspirator

Mikhail Gelovani

Joseph Stalin

Nikolai Bogolyubov

Klim Voroshilov

Serafim Koziminsky

Bobilev, Lenin's orderly

Klavdiya Korobova

Vasili's Wife

Nikolai Plotnikov

Kulak from Tamborsk

Iosif Tolchanov

Andrei Fedorovich, attending physician

Aleksandr Khokhlov

Professor of Medicine

Sergei Antimonov

Polyakov (uncredited)