Oliver Hirschbiegel is a German film director. In 1986, he directed his first film, the made-for-TV movie "Das Go! Projekt", the script for which he had written himself. He became a successful TV director, directing numerous episodes of the "Tatort" and "Kommissar Rex" series. His first theatrical release was the well-received Das Experiment (2001), followed by Mein letzter Film (2002), which also met with critical approval. He is best known for the film Downfall (2004).