Ulrich Noethen as Jens Ole Jepsen

Tobias Moretti as Max Ludwig Nansen

Levi Eisenblätter as Siggi Jepsen

Tom Gronau as Siggi Jepsen (adult)

Johanna Wokalek as Ditte Nansen

Sonja Richter as Gudrun Jepsen

Maria Dragus as Hilke Jepsen

Louis Hofmann as Klaas Jepsen

Artus-Maria Matthiessen as Director Himpel

Marek Harloff as Karl Rasmussen

Tom Zahner as Joswig

Peter Badstübner as Okko Brodersen

Michael Wittenborn as Pastor Treblin

Klaus Peeck as Dikemaster Ole Bultjohann

Joachim Regelien as Hinnerk Timmsen

Mette Lysdahl as Hilde Isenbüttel

Sebastian Rudolph as Gallery owner

Moritz Führmann as Psychologist 1

Jeff Zach as Fouchard, psychologist 2

Hubert Weber as Psychologist 3

Frank Genser as Boris Zwettkoff, psychologist 4

Jonas Leonhardi as Psychologist 5

Chiu Kam Yuen as Psychologist 6

Hendrik Mohr as Man 1

Nikolai Mohr as Man 2

Christian Serritiello as English soldier

Luca Joel Hartmann as Double 1 Siggi Jepsen

Jakob Pohl as Double 2 Siggi Jepsen

Philip Lica as Double 3 Siggi Jepsen

Simon Kerrison as British Army Corporal (soldier) (uncredited)