Sophia Anna Bush (born July 8, 1982) is an American actress. She starred as Brooke Davis in The WB/CW drama series One Tree Hill (2003–2012), and as Erin Lindsay in the NBC police procedural drama series Chicago P.D. (2014–2017). She was a producer for and starred in the lead role of Dr. Samantha "Sam" Griffith in the medical drama Good Sam (2022).