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Wojciech Pszoniak as Mieszko I |
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Marek Bargiełowski as Czcibór, Mieszko's brother |
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Wanda Neumann as Dobrawa |
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Franciszek Pieczka as Mrokota |
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Bolesław Płotnicki as Ziemiomysł, Mieszko's father |
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Henryk Bąk as Boleslaw I Okrutny, Dubrawa's father |
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Tadeusz Białoszczyński as Markgraf Geron |
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Janusz Bylczyński as Markgraf Hodon |
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Włodzimierz Maciudziński as Świętopełk, Mieszko's brother |
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Czesław Wołłejko as Emperor Otto I 'The Great' |
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Andrzej Szalawski as Odolan, Mieszko's Uncle |
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Iga Mayr as The Witch |
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Edmund Fetting as Krystian, Dobrawa's brother |
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Aleksander Fogiel as Man at Baptism |
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Aleksander Gąssowski as The Resigning Council of Elders Member |
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Wirgiliusz Gryń as Żegota |
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Lech Grzmociński as Bronisz |
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August Kowalczyk as Czech Aristocrat |
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Krzysztof Kowalewski as Bolesław, Son of Bolesław I Okrutny |
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Jerzy Obłamski as |
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Lech Ordon as Radost |
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Leonard Pietraszak as Zygfryd |
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Ryszard Ronczewski as Arabian Salesman |
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Paweł Rouba as |
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Lech Skolimowski as |
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Kazimierz Wichniarz as Dźwigor |
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Feliks Żukowski as Archbishop |
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Marek Dowmunt as |
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Jerzy Braszka as Czcibór's Soldier |
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Marian Gańcza as |
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Teodor Gendera as Soldier |
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Tadeusz Jastrzębowski as |
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Janusz Krawczyk as |
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Edward Lach as |
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Bogdan Łysakowski as Mieszko's Soldier |
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Bernard Michalski as Mieszko's Soldier |
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Czesław Piaskowski as |
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Stefan Szmidt as Mieszko's knight |
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Józef Grzeszczak as Rider (uncredited) |
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Jan Piechociński as Mieszko's Soldier / Czech Prince (uncredited) |
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Aleksander Sewruk as (uncredited) |
| Art | Anna Bohdziewicz | Assistant Production Design |
| Crew | Tadeusz Stankiewicz | Stunts |
| Camera | Wojciech Urbanowicz | Still Photographer |
| Production | Zygmunt Wójcik | Assistant Production Manager |
| Production | Urszula Orczykowska | Production Manager |
| Camera | Ryszard Gajewski | Camera Operator |
| Camera | Kazimierz Pawlak | Assistant Camera |
| Crew | T. Skoczyk | Stunts |
| Art | Stefan Filipiak | Assistant Production Design |
| Editing | Józef Bartczak | Assistant Editor |
| Production | Zofia Świątek | Production Assistant |
| Directing | Wincenty Florek | Assistant Director |
| Camera | Eugeniusz Gawrysiak | Assistant Camera |
| Sound | Anna Iżykowska-Mironowicz | Music Consultant |
| Production | Zbigniew Gruz | Production Assistant |
| Costume & Make-Up | Bogdan Kowalewski | Costumer |
| Sound | Leszek Wronko | Sound |
| Sound | Zbigniew Przygodzki | Sound Assistant |
| Sound | Zygmunt Nowak | Sound Assistant |
| Production | Krzysztof Kierzkowski | Production Assistant |
| Sound | Jerzy Blaszyński | Sound |
| Art | Marian Danisz | Assistant Production Design |
| Costume & Make-Up | Dobrosława Kowalewska | Costumer |
| Production | Michał Szczerbic | Assistant Production Manager |
| Art | Borzysława Chomnicka | Assistant Production Design |
| Editing | Wiesława Otocka | Editor |
| Sound | Konrad Bryzek | Conductor |
| Crew | Lech Adamowski | Stunts |
| Crew | Jerzy Celiński | Stunts |
| Directing | Jan Rybkowski | Director |
| Crew | Józef Grzeszczak | Stunts |
| Directing | Jadwiga Zurakowska | Assistant Director |
| Crew | Ryszard Francman | Stunts |
| Crew | Jacek Ryniewicz | Stunts |
| Art | Wojciech Krysztofiak | Production Design |
| Costume & Make-Up | Mirosław Jakubowski | Makeup Artist |
| Costume & Make-Up | Tadeusz Schossler | Makeup Artist |
| Crew | Jerzy Matysiak | Stunts |
| Camera | Marek Nowicki | Director of Photography |
| Art | Leonard Mokicz | Set Decoration |
| Sound | Jerzy Maksymiuk | Music |
| Crew | Czesław Magnowski | Stunts |
| Costume & Make-Up | Magdalena Biernawska-Teslawska | Costume Design |
| Writing | Aleksander Ścibor-Rylski | Screenplay |
| Directing | Wojciech Wójcik | First Assistant Director |
| Directing | Andrzej Reiter | First Assistant Director |
| Crew | Jerzy Szeski | Armorer |
| Crew | Wojciech Tomasz Biernawski | Armorer |
| Production | Aleksander Gieysztor | Production Consultant |
| Production | Andrzej Nadolski | Production Consultant |
