William Atherton
Acting
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.
Known for
Acting89
movieWhere Did the Adults Go?
2025
The Father
movieGhostbusters: Frozen Empire
2024
Mayor Walter Peck
movieClinical
2017
Terry Drummond
movieJinn
2014
Father Westhoff
movieTim and Eric's Billion Dollar Movie
2012
Earle Swinter
tvWorkaholics
2011
Thor Holmvik
movieThe Kane Files: Life of Trial
2010
Daniel Morgan
tvCastle
2009
Ari Weiss
tvChildrens Hospital
2008
Levon Bainter
movieGhouls
2008
Stefan
movieBlack Crescent Moon
2008
Jo Dexton
movieAces 'N' Eights
2008
Howard
tvLife
2007
Mickey Rayborn
movieThe Girl Next Door
2007
Adult David Moran
movieKush
2007
King
movieInto the Sun
2005
Agent Block
movieHeadspace
2005
Dr. Ira Gold
tvNumb3rs
2005
Warren Pierce
movieGone But Not Forgotten
2005
Sen. Ray Colby
tvDesperate Housewives
2004
Dr. Barr
tvBoston Legal
2004
A.D.A. Howard Zale
tvLost
2004
Donald Reynolds
movieWho's Your Daddy?
2004
Duncan Mack
movieThe Last Samurai
2003
Winchester Rep
tvMonk
2002
Commander Nathan Whitaker
tvJustice League
2001
Dr. Destiny / John Dee (voice)
movieRace to Space
2001
Ralph Stanton
tvNight Visions
2001
William Price (segment "Hate Puppet")
movieBurning Down the House
2001
Arthur Kranston
movieBread and Roses
2000
Party Guest (uncredited)
movieThe Crow: Salvation
2000
Nathan Randall
tvLaw & Order: Special Victims Unit
1999
Ned Bogden
movieIntroducing Dorothy Dandridge
1999
Darryl Zanuck
movieMad City
1997
Dohlen
movieExecutive Power
1997
President Fields
movieHoodlum
1997
Thomas E. Dewey
tvStargate SG-1
1997
Emissary Varta
tvThe Practice
1997
D.A. Keith Pratt
movieRaven Hawk
1996
Philip Thorne
tvNash Bridges
1996
Dr. Linus Mills
movieBio-Dome
1996
Dr. Noah Faulkner
movieBroken Trust
1995
Neil Roemer
movieVirus
1995
Dr. Reginald Holloway
tvThe Outer Limits
1995
Franklin Murdoch
movieFrank & Jesse
1994
Allan Pinkerton
movieSaints and Sinners
1994
Terence
movieThe Pelican Brief
1993
Bob Gminski
movieChrome Soldiers
1992
Sheriff Blackwell
movieOscar
1991
Overton
tvLaw & Order
1990
Don Snyder / Dan Jensen
movieDie Hard 2
1990
Richard Thornberg
movieBuried Alive
1990
Cort van Owen
tvTales from the Crypt
1989
Malcolm Mayflower
movieIntrigue
1988
Doggett
movieDie Hard
1988
Richard Thornburg
movieThe Equalizer - The Movie: Blood & Wine
1987
Martin 'Alpha' Loeber
movieNo Mercy
1986
Allan Deveneux
movieA Fight for Jenny
1986
Michael Rosen
tvThe Twilight Zone
1985
Brian Wolfe (segment "Night of the Meek") / (segment "The Card")
tvThe Equalizer
1985
Martin 'Alpha' Loeber / Gideon
movieReal Genius
1985
Professor Hathaway
tvMurder, She Wrote
1984
Larry Holleran / Greg Dalton / Andy Henley
movieGhostbusters
1984
Walter Peck
movieMalibu
1983
Stan Harvey
movieTomorrow's Child
1982
Jim Spence
The House of Mirth
1981
Lawrence Selden
tvCentennial
1978
Jim Lloyd
movieIndependence
1976
Benjamin Rush
movieThe Hindenburg
1975
Boerth
movieThe Day of the Locust
1975
Tod Hackett
movieThe Sugarland Express
1974
Clovis Poplin
movieClass of '44
1973
Fraternity President
movieThe New Centurions
1972
Johnson
Production1
movieHeadspace
2005
Co-Producer