William George Zane Jr. (born February 24, 1966) is an American actor and producer. He is best known for playing Caledon Hockley in the epic romantic disaster film Titanic (1997), as well as roles in the science fiction comedies Back to the Future (1985) and Back to the Future Part II (1989), Dead Calm (1989), the television series Twin Peaks (1991), the western film Tombstone (1993), the horror film Demon Knight (1995), and the comedy-drama CQ (2001).
