Der Untergang is a 2004 historical war drama film directed by Oliver Hirschbiegel and produced from a screenplay by producer Bernd Eichinger. The film stars Bruno Ganz, Alexandra Maria Lara, Corinna Harfouch, Ulrich Matthes, Juliane Köhler, Heino Ferch, Christian Berkel, Matthias Habich and Thomas Kretschmann.
The film is set during the Battle of Berlin in World War II, when Germany is on the brink of defeat, and depicts the final days of Adolf Hitler (played by Ganz); is based on the books Der Untergang: Hitler und das Ende des Dritten Reiches, by historian Joachim Fest and Bis Zur Letzten Stunde, written by Hitler's former private secretary, Traudl Junge, among other accounts by survivors of the period.