Sophia Anna Bush (born July 8, 1982) is an American actress, director, spokesperson, and activist. She starred in The WB/CW drama series One Tree Hill, where she played Brooke Davis from 2003 to 2012. She is known for her film roles in John Tucker Must Die (2006), The Hitcher (2007), and The Narrows (2008). In 2014, she began starring in the NBC police procedural drama series Chicago P.D. as Det. Erin Lindsay.