Ignacy Gogolewski as Bolesław The Bold

Jerzy Kaliszewski as Bishop Stanisław

Maria Ciesielska as Bolesław's Lover

Aleksandra Śląska as Bolesław's Wife

Zdzisław Mrożewski as Chancellor Radosz

Kazimierz Opaliński as Archbishop Bogumił

Henryk Bąk as Knight Opposing Bolesław

Lucjan Dytrych as Envoy

Maciej Englert as Knight

Kazimierz Meres as Sieciech

Krzysztof Machowski as Knight

Michał Pawlicki as Prince Herman

Alicja Raciszówna as Envoy

Mieczysław Voit as Otton from Tyniec

Jerzy Zelnik as Assassin

Andrzej Zaorski as Grzegorz

Jerzy Bączek as

Hanna Bitnerówna as

Aleksander Bednarz as

Marian Cebulski as The Elders' Envoy

Piotr Fronczewski as Adalbertus

Aleksandra Ford-Sampolska as

Jerzy Goliński as Wawrzyniec

Teodor Gendera as

Halina Gryglaszewska as Settlement Citizen

Tadeusz Jastrzębowski as

Julian Jabczyński as

Andrzej Jędrzejewski as

Stanisław Jędrzejewski as

Ryszard Kotys as Man In River

Jadwiga Kuryluk as

Krystyna Liskowacka as

Czesław Lasota as Chronicle Writer

M. Mąkowa as

Jan Mateusz Nowakowski as

Wojciech Pisarek as

Andrzej Saciuk as

Stefan Szramel as

Wacław Szklarski as

Bogdan Śmigielski as

Mieczysław Stoor as Betrayed Knight

Marian Słojkowski as

Tadeusz Schmidt as Damrot

Zofia Więcławówna as

Wiesław Zwoliński as

Adela Zgrzybłowska as

Józef Zacharewicz as

Wojciech Zeidler as

Maciej Góraj as (uncredited)