when did george o malley leave grey anatomy
George O'Malley George O'Malley, M.D. is a fictional character from the medical drama television series Grey's Anatomy, which airs on the American Broadcasting Company (ABC) in the United States. The character was created by series producer Shonda Rhimes, and was portrayed by actor T. R. Knight from 2005 to 2009. Introduced as a surgical intern at the fictional Seattle Grace Hospital, O'Malley worked his way up to resident level, while his relationships with his colleagues Meredith Grey (Ellen Pompeo), Cristina Yang (Sandra Oh), Izzie Stevens (Katherine Heigl) and Alex Karev (Justin Chambers) formed a focal point of the series. O'Malley married Callie Torres (Sara Ramirez) whom he later separated with to pursue a relationship with Izzie Stevens. O'Malley also had entertained a romantic interest with Meredith Grey and Olivia Harper (Sarah Utterback).