- Claude Stephenson
- Narrator [English Language Version]
- Henning Skaarup
- Narrator (danish version)
- Mogens Wieth
- Narrator (danish version)
- Joseph Goebbels
- (archive footage) (uncredited)
- Irma Grese
- (archive footage) (uncredited)
- Hermann Göring
- (archive footage) (uncredited)
- Rudolf Hess
- (archive footage) (uncredited)
- Heinrich Himmler
- (archive footage) (uncredited)
- Adolf Hitler
- Self
- Rudolf Hoess
- (archive footage) (uncredited)
- Ilse Koch
- Self (collected tattooed human skin)
