Kurt Gerstein—a member of the Institute for Hygiene of the Waffen-SS—is horrified by what he sees in the death camps. he is then shocked to learn that the process he used to purify water for his troops by using Zyklon-B, is now used to kill people in gas chambers.

• K.G. Productions
• KC Medien
• Ulrich Tukur
• Mathieu Kassovitz
• Ulrich Mühe
• Michel Duchaussoy
• Marcel Iureș
• Ion Caramitru
• Friedrich von Thun
• Antje Schmidt