Burghart Klaußner

as Bertolt Brecht

Tom Schilling

as Young Bertolt Brecht

Adele Neuhauser

as Helene Weigel

Trine Dyrholm

as Ruth Berlau

Lou Strenger

as Young Helene Weigel

แบร์ท็อลท์ เบร็ชท์

as Himself (archive footage)

Petr Stach

as Singer and hurdy gurdy

Helmut Zhuber

as Latin teacher Dr. Gebhard