Stephen Dorff (born July 29, 1973) is an American actor, best known for portraying Stuart Sutcliffe in Backbeat, Johnny Marco in Sofia Coppola's Somewhere, and for his roles in Blade, Cecil B. DeMented and Space Truckers. Dorff was born in Atlanta, Georgia, the son of Nancy and Steve Dorff, who is a composer and music producer. He has described himself as "half Jewish" (on his father's side). He was raised in Los Angeles, where his father worked, and began acting as a child, appearing in commercials for Kraft and Mattel. Dorff attended several private schools, and was expelled from five of them. Dorff started acting in the late 1980s, landing only minor roles at first. He guest appeared in television programs such as Diff'rent Strokes, Blossom, Roseanne, Married With Children. He appeared in the television movies In Love and War, I Know My First Name is Steven and What a Dummy. Dorff's first major film role was in The Gate (1987), a horror film about a boy who, along with a friend, discovers a hole in his back garden that is a gateway to Hell. In 1992 he starred in The Power of One opposite Sir John Gielgud and Daniel Craig.