Jan Peszek
Prof. Rappaport / S. Lem (voice)
Michał Czernecki
German Officer
Magdalena Żakowska
Rachela
Maciej Kulig
Jew
Dominika Kachlik
Barbara
Aleksandar Milićević
Hussarski
Marta Wągrocka
Halina
Jakub Hojda
Aleksander
Borys Lankosz
Director Bob
Mirosław Zbrojewicz
General
Zbigniew Konopka
Morris
Robert Gonera
King Zbawnucy
Krzysztof Szczepaniak
Odmrożeniec
Tomasz Olejnik
Kapellmeister
Filip Kosior
Double Bassist
Olga Kalicka
Cymbalist
Karolina Sulej
Violinist
Mateusz Kubik
Trumpeter
Stanisław Bereś
Self - Literary Historian
Tomasz Fiałkowski
Self - Journalist
Jerzy Jarzębski
Self - Literary Critic
Wiktor Jazniewicz
Self - Lem's Russian Translator
Michael Kandel
Self - Lem's English Translator
Michał Zych
Self - B. Lem's Nephew
Marek Kondrat
Self - Narrator (voice) (uncredited)
Stanisław Lem
Self - Writer (archive footage)
Timothy Snyder
Self - Historian