Joshua Daniel Hartnett (born July 21, 1978) is an American actor. He began his career playing Michael Fitzgerald On ABC's Cracker (1997–1998), after which he became known as a teen idol through starring parts in films such as Halloween H20: 20 Years Later, The Faculty (both 1998), The Virgin Suicides (1999), Pearl Harbor, O, Black Hawk Down (all 2001), and 40 Days and 40 Nights (2002). Hartnett continued to work steadily throughout the 2000s, with a mix Of leading and supporting roles in ()