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William Atherton Knight is an American actor, best known for portraying Richard Thornburg in Die Hard and its sequel and Walter Peck in Ghostbusters.
Birth Name
William Atherton Knight
Actor Filmography
| Title | Character | Year |
|---|
| Ghostbusters: Frozen Empire | Mayor Walter Peck | 2024 |
| Cleanin' Up the Town: Remembering Ghostbusters | Self | 2020 |
| The Holiday Movies That Made Us | Self - Actor 'Walter Peck' / Self - Actor 'Richard Thornburg' | 2019 |
| Bad Company | 2018 | |
| Spielberg | Clovis | 2017 |
| Clinical | Terry / Terry Drummond | 2017 |
| Ghostheads | Self | 2016 |
| Behind Closed Doors | Self | 2016 |
| Jinn | Father Westhoff | 2014 |
| Getting Back to Zero | 2013 |
Actor Filmography
| Title | Character | Year |
|---|
| Ghostbusters: Frozen Empire | Mayor Walter Peck | 2024 |
| Cleanin' Up the Town: Remembering Ghostbusters | Self | 2020 |
| The Holiday Movies That Made Us | Self - Actor 'Walter Peck' / Self - Actor 'Richard Thornburg' | 2019 |
| Bad Company | 2018 | |
| Spielberg | Clovis | 2017 |
| Clinical | Terry / Terry Drummond | 2017 |
| Ghostheads | Self | 2016 |
| Behind Closed Doors | Self | 2016 |
| Jinn | Father Westhoff | 2014 |
| Getting Back to Zero | 2013 | |
| Defiance | Viceroy Berto Mercado | 2013 |
| Decoding Die Hard | Self | 2013 |
| The Citizen | Winston | 2012 |
| The Unknown | Jim Larson | 2012 |
| Jersey Shore Shark Attack | Dolan | 2012 |
| Tim and Eric's Billion Dollar Movie | Earle Swinter | 2012 |
| Workaholics | Thor Holmvik | 2011 |
| The Kane Files: Life of Trial | Daniel Morgan | 2010 |
| The Glades | Big Jack Hasker | 2010 |
| Castle | Dr. Ari Weiss | 2009 |
| Childrens Hospital | Levon Bainter | 2008 |
| Ghouls | Stefan | 2008 |
| Black Crescent Moon | Jo Dexton | 2008 |
| Aces 'N' Eights | Howard | 2008 |
| Life | Mickey Rayborn | 2007 |
| The Girl Next Door | Adult David Moran | 2007 |
| Kush | King | 2007 |
| Totally Baked | Mr. Lyle Funonion (Segment "FunOnion Boardroom") | 2007 |
| Towards Darkness | John | 2007 |
| Headspace | Dr. Ira Gold | 2005 |
| Into the Sun | CIA Agent Block / Agent Block | 2005 |
| Numb3rs | Warren Pierce | 2005 |
| Gone But Not Forgotten | Senator Raymond Colby / Sen. Ray Colby | 2005 |
| Boston Legal | A.D.A. Howard Zale | 2004 |
| Desperate Housewives | Dr. Barr | 2004 |
| Lost | Principal Donald Reynolds | 2004 |
| Who's Your Daddy? | Duncan Mack | 2004 |
| The Last Samurai | Winchester Rep | 2003 |
| Monk | Commander Nathan Whitaker | 2002 |
| Justice League | Dr. Destiny / John Dee | 2001 |
| Race to Space | Ralph Stanton | 2001 |
| Night Visions | William Price (segment "Hate Puppet") | 2001 |
| Burning Down the House | Arthur Kranston | 2001 |
| Bread and Roses | Self - Party Guest | 2000 |
| The Crow: Salvation | Nathan Randall | 2000 |
| Law & Order: Special Victims Unit | Ned Bogden | 1999 |
| Introducing Dorothy Dandridge | Darryl Zanuck | 1999 |
| Michael Kael contre la World News Company | James Denit | 1998 |
| Mad City | Dohlen | 1997 |
| Executive Power | President John Fields / President Fields | 1997 |
| Hoodlum | Thomas Dewey / Thomas E. Dewey | 1997 |
| Stargate SG-1 | Emissary Varta | 1997 |
| The Practice | D.A. Keith Pratt | 1997 |
| Raven Hawk | Philip Thorne | 1996 |
| Nash Bridges | Dr. Linus Mills | 1996 |
| Bio-Dome | Dr. Noah Faulkner | 1996 |
| Broken Trust | Roemer / Neil Roemer | 1995 |
| A Night to Die for | Himself | 1995 |
| Virus | Dr. Reginald Holloway | 1995 |
| The Outer Limits | Franklin Murdoch | 1995 |
| Frank & Jesse | Allan Pinkerton | 1994 |
| Saints and Sinners | Terence / Detective | 1994 |
| The Pelican Brief | Bob Gminski | 1993 |
| HBO First Look | Self - Richard Thornberg | 1992 |
| Chrome Soldiers | Sheriff Blackwell | 1992 |
| Diagnosis Murder: Diagnosis of Murder | Eric Walker | 1992 |
| Oscar | Overton | 1991 |
| Grim Prairie Tales | Arthur | 1990 |
| Law & Order | Don Snyder / Dan Jensen | 1990 |
| Die Hard 2 | Thornberg / Richard Thornburg | 1990 |
| Buried Alive | Cortland 'Cort' van Owen / Cortland "Cort" van Owen | 1990 |
| Max Monroe | Sloane | 1990 |
| Tales from the Crypt | Malcolm Mayflower | 1989 |
| Intrigue | Doggett | 1988 |
| Die Hard | Richard Thornburg / Thornburg | 1988 |
| The Law and Harry McGraw | Gene Bellows | 1987 |
| No Mercy | Allan Deveneux | 1986 |
| A Fight for Jenny | Michael Rosen | 1986 |
| The Twilight Zone | Mr. Dundee (segment "Night of the Meek") / Brian Wolfe (segment "The Card") | 1985 |
| The Equalizer | Martin 'Alpha' Loeber / Gideon | 1985 |
| Real Genius | Professor Jerry Hathaway / Professor Hathaway | 1985 |
| Murder, She Wrote | Prosecutor Andy Henley / Larry Holleran / Greg Dalton | 1984 |
| Ghostbusters | Walter Peck | 1984 |
| Tomorrow's Child | Jim Spence | 1982 |
| The House of Mirth | Lawrence Selden | 1981 |
| Centennial | Jim Lloyd | 1978 |
| Looking for Mr. Goodbar | James | 1977 |
| Independence | Benjamin Rush | 1976 |
| The Hindenburg | Karl Boerth / Boerth | 1975 |
| The Day of the Locust | Tod Hackett / Tod | 1975 |
| The Sugarland Express | Clovis / Clovis Michael Poplin | 1974 |
| Class of '44 | Fraternity President | 1973 |
| The New Centurions | Johnson | 1972 |
