Diane Kruger was born as Diane Heidkrüger on 15 July 1976 in Algermissen, West Germany, near Hildesheim, the daughter of computer specialist Hans-Heinrich Heidkrüger, and his wife, Maria-Theresa, a bank employee. She was brought up Roman Catholic and attended Catholic school. She has stated that one of her grandmothers was Polish.
She was brought up in Germany with her younger brother, Stefan. Her mother sent her to student exchange programmes when she was a teenager to improve her English. As a child, Kruger wanted to become a ballerina and successfully auditioned for the Royal Ballet School in London. Later, Kruger moved to Paris and turned her energy toward modelling and learning French.
She is known for roles such as Helen in the epic war film Troy (2004), Dr. Abigail Chase in the heist film National Treasure (2004) and its sequel (2007), Bridget von Hammersmark in Quentin Tarantino's war film Inglourious Basterds (2009), and Gina in the psychological thriller film Unknown (2011). She also starred as Detective Sonya Cross in the FX crime drama series The Bridge (2013–14).

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