William George Zane Jr. (born February 24, 1966) is an American actor. He played antagonist Caledon Hockley in the epic romantic disaster film Titanic (1997). His other films include Back to the Future (1985) and its sequel Back to the Future Part II (1989), Dead Calm (1989), the television series Twin Peaks (1991), Tombstone (1993), Demon Knight (1995), The Phantom (1996) and the video game Kingdom Hearts (2002).
Zane was born in Chicago, Illinois, to Thalia and William George Zane, Sr., both of whom were amateur actors and founders of a school for medical technicians. His parents are both of Greek descent (from Chios through his mother and Mani through his father), and his family's original surname, "Zanetakos", was anglicized to "Zane" by his parents, who also raised him Greek Orthodox. He has an older sister, Lisa Zane, who is an actress and singer. After completing a year abroad in Switzerland at The American School in Switzerland (TASIS), Zane graduated from Francis W. Parker School and attended Harand Camp of the Theater Arts, located in Elkhart Lake, Wisconsin.