Jan Peszek

Character: Prof. Rappaport / S. Lem (voice)

Michał Czernecki

Character: German Officer

Magdalena Żakowska

Character: Rachela

Maciej Kulig

Character: Jew

Dominika Kachlik

Character: Barbara

Aleksandar Milićević

Character: Hussarski

Masza Wągrocka

Character: Halina

Hubert Paszkiewicz

Character: Jan

Jakub Hojda

Character: Aleksander

Borys Lankosz

Character: Director Bob

Mirosław Zbrojewicz

Character: General

Zbigniew Konopka

Character: Morris

Robert Gonera

Character: King Zbawnucy

Krzysztof Szczepaniak

Character: Odmrożeniec

Tomasz Olejnik

Character: Kapellmeister

Filip Kosior

Character: Double Bassist

Olga Kalicka

Character: Cymbalist

Karolina Sulej

Character: Violinist

Mateusz Kubik

Character: Trumpeter

Stanisław Bereś

Character: Self - Literary Historian

Tomasz Fiałkowski

Character: Self - Journalist

Jerzy Jarzębski

Character: Self - Literary Critic

Wiktor Jazniewicz

Character: Self - Lem's Russian Translator

Michael Kandel

Character: Self - Lem's English Translator

Michał Zych

Character: Self - B. Lem's Nephew

Marek Kondrat

Character: Self - Narrator (voice) (uncredited)

Stanisław Lem

Character: Self - Writer (archive footage)

Timothy Snyder

Character: Self - Historian