Norton is most notable as a film director, including his first feature film,
Cisco Pike in 1971, which he also wrote. He worked as a screenwriter in the 1970s and '80s, writing the scripts for
Convoy and
Outlaw Blues, among other films. He also has directed many
television series, among them
Buffy the Vampire Slayer,
Angel,
John Doe,
Hack,
Las Vegas,
Law & Order: Criminal Intent,
Lincoln Heights and
Roswell. He was married to costume designer
Rosanna Norton. He is the son of screenwriter
William W. Norton, who was convicted in 1986 of importing arms to
Northern Ireland for the
IRA and the
INLA. Sometimes, he is credited as B.W.L. Norton, Bill Norton or William Lloyd Norton. ==Filmography==