Sławomir Grzymkowski as Stefan Wyszyński

Adam Ferency as Władysław Gomułka

Marcin Troński as Józef Cyrankiewicz

Katarzyna Zawadzka as Magda

Michał Meyer as Janek

Tomasz Sapryk as Zenon Kliszko

Karolina Bruchnicka as Kazia

Fabrizio Pugliese as Paul VI

Artur Krajewski as Antoni Baraniak

Andrzej Niemyt as Karol Wojtyła

Małgorzata Buczkowska as Maria Okońska

Tadeusz Chudecki as Zygmunt Choromański

Bartosz Obuchowicz as Zdzich

Nina Bandurska as

Aleksander Janiszewski as censor

Olga Sarzyńska as Krysia

Jacek Borkowski as Kazimierz

Witold Wieliński as Hieronim Goździewicz

Daniel Guzdek as Tyczka

Robert Czebotar as Władysław Bieńkowski

Michał Włodarczyk as "Łysy"

Krystyna Tkacz as

Małgorzata Rudzka as nun Maksencja

Krzysztof Dracz as Wojciech Jaruzelski

Adrianna Malecka as Halinka

Kazimierz Mazur as Stanisław

Magdalena Kuta as Kazia's mother

Marcin Kwaśny as militiaman

Kinga Jasik as Krycha

Karol Górski as

Tomáš Kollárik as cleric Franciszek

Błażej Wójcik as

Magdalena Waligórska as post office worker

Jan Popis as

Piotr Łukawski as

Henryk Gołębiewski as postman in Komańcza

Dorota Piasecka as

Marek Kępiński as

Dawid Dziarkowski as

Halina Bednarz as

Piotr Mielnik as

Antoni Bronner as

Mariusz Urbaniec as

Jacek Szelążek as

Przemysław Sejmicki as

Arkadiusz Szul as

Paweł Majewski as

Andrzej Gałła as principal

Lucyna Fitał as

Marek Pyś as Krycha's father

Maciej Stępniak as

Aldona Struzik as Gomułka's secretary

Justyna Paradzińska as

Monika Dawidziuk as

Grzegorz Ciągardlak as

Adam Szarek as

Wiesława Lech as

Paweł Plewa as priest in Liksjany

Jakub Pruski as

Aniceta Raczek-Ochnicka as

Tomasz Rabong as

Arkadiusz Janiczek as

Krystian Biłko as

Robert Delegiewicz as

Ernest Nita as

Michał Stefański as

Piotr Wojtkowski as

Robert Żurek as

Karyna Hartsukova as

Judyta Paradzińska-Górska as

Małgorzata Kubicka as

Andrzej Niemirski as Pius XII (uncredited)

Krzysztof Ogonek as (uncredited)

Anna Kondrat as (voice)