Matthew Fox (born July 14, 1966) is an American actor best known for his roles as Charlie Salinger on the Fox teen drama series Party of Five from 1994 to 2000 and as Dr. Jack Shephard on the ABC series Lost from 2004 to 2010. He hosted Saturday Night Live on December 2, 2006 and made a cameo on December 9, 2006 during the SNL Digital Short as Brad.