 Ulrich NoethenJens Ole Jepsen | Jens Ole Jepsen |
 Tobias MorettiMax Ludwig Nansen | Max Ludwig Nansen |
 Levi EisenblätterSiggi Jepsen | Siggi Jepsen |
 Tom GronauSiggi Jepsen (adult) | Siggi Jepsen (adult) |
 Johanna WokalekDitte Nansen | Ditte Nansen |
 Sonja RichterGudrun Jepsen | Gudrun Jepsen |
 Maria DragusHilke Jepsen | Hilke Jepsen |
 Louis HofmannKlaas Jepsen | Klaas Jepsen |
| AArtus-Maria MatthiessenDirector Himpel | Director Himpel |
 Marek HarloffKarl Rasmussen | Karl Rasmussen |
| TTom ZahnerJoswig | Joswig |
 Peter BadstübnerOkko Brodersen | Okko Brodersen |
 Michael WittenbornPastor Treblin | Pastor Treblin |
 Klaus PeeckDikemaster Ole Bultjohann | Dikemaster Ole Bultjohann |
 Joachim RegelienHinnerk Timmsen | Hinnerk Timmsen |
 Mette LysdahlHilde Isenbüttel | Hilde Isenbüttel |
 Sebastian RudolphGallery owner | Gallery owner |
 Moritz FührmannPsychologist 1 | Psychologist 1 |
| JJeff ZachFouchard, psychologist 2 | Fouchard, psychologist 2 |
| HHubert WeberPsychologist 3 | Psychologist 3 |
| FFrank GenserBoris Zwettkoff, psychologist 4 | Boris Zwettkoff, psychologist 4 |
| JJonas LeonhardiPsychologist 5 | Psychologist 5 |
| CChiu Kam YuenPsychologist 6 | Psychologist 6 |
| HHendrik MohrMan 1 | Man 1 |
| NNikolai MohrMan 2 | Man 2 |
 Christian SerritielloEnglish soldier | English soldier |
| LLuca Joel HartmannDouble 1 Siggi Jepsen | Double 1 Siggi Jepsen |
| JJakob PohlDouble 2 Siggi Jepsen | Double 2 Siggi Jepsen |
| PPhilip LicaDouble 3 Siggi Jepsen | Double 3 Siggi Jepsen |
 Simon KerrisonBritish Army Corporal (soldier) (uncredited) | British Army Corporal (soldier) (uncredited) |
