Maksim Shtraukh as Vladimir Lenin

Ilona Kuśmierska-Kocyłak as Ulka

Anna Lisyanskaya as Nadezhda Krupskaya

Tadeusz Fijewski as Secretary of the prison

Edmund Fetting as Honecki

Gustaw Lutkiewicz as Investigator

Kazimierz Rudzki as Priest

Ludwik Benoit as Prison Guard

Krzysztof Kalczyński as Andrzej

Henryk Hunko as Prison Guard

Zbigniew Skowroński as Matyszczuk

Jarema Stępowski as Józef Anhalt

Jacek Gruca as

Elżbieta Jeżewska as Tailor

Wanda Jakubińska as

Andrzej Jurczak as Soldier

Alfred Łodziński as Innkeeper

Bernard Michalski as

Jerzy Moes as Journalist

Jerzy Nowak as Austrian Officer

Wojciech Rajewski as

Andrzej Skupień as

Ryszard Zaorski as

Antoni Żuliński as Beekeeper

Janusz Sykutera as Officer on a Train (uncredited)

Janusz Zakrzeński as Officer on a Train (uncredited)