Joshua Daniel "Josh" Hartnett (born July 21, 1978) is an American actor. He came to fame after his first film role, in 1998's Halloween H20: 20 Years Later, an has since become a leading Hollywood actor, having starred in Black Hawk Down, Here on Earth, Pearl Harbor, Wicker Park, Lucky Number Slevin, The Black Dahlia, Resurrecting the Champ, Hollywood Homicide, 30 Days of Night, Sin City and 40 Days and 40 Nights.