Stephen Hartley Dorff Jr. 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 Peter Philip Kennith Keith (nicknamed "PK") in The Power of One (1992) and later as Stuart Sutcliffe in Backbeat (1994) and then gained further mainstream attention for portraying Deacon Frost in Blade (1998). Other notable lead roles include the titular character in John Waters' Cecil B. DeMented (2000) and Johnny Marco in Sofia Coppola's Somewhere (2010). Supporting roles include Candy Darling in I Shot Andy Warhol (1996), Detective Scott Strauss World Trade Center (2006), Homer Van Meter in Public Enemies (2009), Stavros in Immortals (2011), Joseph Kuklinski in The Iceman (2012) and Ketchum in Old Henry (2021). He is also known for portraying Roland West in the third season of HBO's crime drama anthology series True Detective (2019).