
From Wikipedia, the free encyclopedia William Atherton Knight (born July 30, 1947) is an American actor, best known for portraying Richard Thornburg in Die Hard and its sequel and Walter Peck in Ghostbusters.

Law & Order
TV • 1990

Law & Order
TV • 1990

Law & Order: Special Victims Unit
TV • 1999

Stargate SG-1
TV • 1997

Boston Legal
TV • 2004

Lost
TV • 2004

Castle
TV • 2009

Desperate Housewives
TV • 2004

Monk
TV • 2002

Murder, She Wrote
TV • 1984

Murder, She Wrote
TV • 1984

Murder, She Wrote
TV • 1984

Numb3rs
TV • 2005

The Practice
TV • 1997

The Equalizer
TV • 1985

The Equalizer
TV • 1985

Nash Bridges
TV • 1996

The Outer Limits
TV • 1995