William Atherton Knight Jr. (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: Special Victims Unit
Series • 1999
Monk
Series • 2002
Law & Order
Series • 1990
Desperate Housewives
Series • 2004
Lost
Stargate SG-1
Series • 1997
Castle
Series • 2009
The Practice
Numb3rs
Series • 2005
Boston Legal
Murder, She Wrote
Series • 1984
Nash Bridges
Series • 1996
The Twilight Zone
Series • 1985
The Outer Limits
Series • 1995
Childrens Hospital
Series • 2008
The Equalizer
Tales from the Crypt
Series • 1989
Life
Series • 2007
Workaholics
Series • 2011
Die Hard
Movie • 1988
Ghostbusters
Movie • 1984
Justice League
Series • 2001
Ghostbusters: Frozen Empire
Movie • 2024
The Last Samurai
Movie • 2003
Die Hard 2
Movie • 1990
Centennial
Series • 1978
The Pelican Brief
Movie • 1993
Night Visions
The Girl Next Door
Movie • 2007
Reunited Apart
Series • 2020