Olivia Wilde (born Olivia Jane Cockburn; March 10, 1984) is an American actress and fashion model. She began acting in the early 2000s, and has since appeared in a number of film and television parts, including roles in the serial-drama The O.C. and The Black Donnellys. She portrays Dr. Remy "Thirteen" Hadley in the TV drama House, and has had starring roles in films such as Tron: Legacy and Cowboys & Aliens.