Autor Solaris

Jan Peszek

Prof. Rappaport / S. Lem (voice)

Michał Czernecki

German Officer

Magdalena Żakowska

Rachela

Maciej Kulig

Jew

Dominika Kachlik

Barbara

Aleksandar Milićević

Hussarski

Masza Wągrocka

Halina

Hubert Paszkiewicz

Jan

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