Stephen Hartley Dorff Jr. (born July 29, 1973) is an American actor. Starting his film career as a child, appearing in the cult horror film The Gate (1987), Dorff first rose to prominence playing Stuart Sutcliffe in Backbeat (1994) and then gained further mainstream attention for portraying Deacon Frost in Blade (1998). Other notable lead roles include Bob Rafelson's Blood and Wine (1997), the titular character in John Waters' Cecil B. DeMented (2000), and Johnny Marco in Sofia Coppola's Somewhere (2010), as well as Britney Spears’ boyfriend i…