Acting
William Mapother
Born 1965-04-17
Louisville, Kentucky, USA
Department: Acting
Biography
William Reibert Mapother Jr. (/ˈmeɪpɒθər/; born April 17, 1965) is an American actor, known for his role as Ethan Rom on the television series Lost and starring in the film In the Bedroom. He is also known for the film Another Earth. Description above from the Wikipedia article William Mapother, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For
Prominent works featuring William Mapother
Movie
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Minority Report
2002
TMDB3.7
TV
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The Mentalist
2008
TMDB4.2
Movie
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Mission: Impossible II
2000
TMDB3.0
TV
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American Horror Story
2011
TMDB4.0
TV
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Law & Order: Special Victims Unit
1999
TMDB4.0
TV
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Lost
2004
TMDB4.0
TV
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Criminal Minds
2005
TMDB4.2
TV
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Supergirl
2015
TMDB3.6
TV
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The Blacklist
2013
TMDB3.8
Movie
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Vanilla Sky
2001
TMDB3.4
Filmography & Credits
Complete career catalog (82 titles)
| Poster | Title | Character / Role | Type | Year |
|---|---|---|---|---|
 | The Leader | Reverend Applewhite | Movie | 2026 |
 | Suits LA | Greg Fisher | TV Series | 2025 |
 | Outlaw Posse | Angel | Movie | 2024 |
 | Black Girl Missing | Russell | Movie | 2023 |
 | On Sacred Ground | Daniel McKinney | Movie | 2023 |
| On Sacred Ground | Writer | Movie | 2023 |
 | Son of Monarchs | Bob | Movie | 2021 |
| Son of Monarchs | Co-Executive Producer | Movie | 2021 |
 | A Little Dream | Wayne | TV Series | 2021 |
 | 9-1-1: Lone Star | Bruce Ackerman | TV Series | 2020 |
 | FBI: Most Wanted | Travis Russell | TV Series | 2020 |
 | MacGyver | The Client / Daniel Holt | TV Series | 2016 |
 | Tell Me How I Die | Dr. Jerrems | Movie | 2016 |
 | Rush Hour | Principal | TV Series | 2016 |
 | Supergirl | Dr. Rudy Jones / Parasite | TV Series | 2015 |
 | Minority Report | Charlie Peele | TV Series | 2015 |
 | Powers | Todd Secor | TV Series | 2015 |
 | Blackhat | Rich Donahue | Movie | 2015 |
 | The Atticus Institute | Dr. Henry West | Movie | 2015 |
 | Constantine | Jacob Shaw | TV Series | 2014 |
 | American War Generals | Self - Narrator | Movie | 2014 |
 | I Origins | Darryl Mackenzie | Movie | 2014 |
 | Drew Peterson: Untouchable | Glenn Levecke | Movie | 2014 |
 | The Blacklist | Bill | TV Series | 2013 |
 | Escape from Polygamy | Ervil | Movie | 2013 |
 | Underdogs | Bill Burkett | Movie | 2013 |
 | Jobs | Calligraphy Professor | Movie | 2013 |
 | It's Dark Here | David Tennies | Movie | 2013 |
 | Static | Greg Wagner | Movie | 2012 |
 | FDR: American Badass! | Dr. Ellington | Movie | 2012 |
 | Darnell Dawkins: Mouth Guitar Legend | Pastor Jenkins | Movie | 2012 |
 | A Warrior's Heart | Coach David Milligan | Movie | 2011 |
 | Grimm | Dwight Eleazer | TV Series | 2011 |
 | American Horror Story | Driver | TV Series | 2011 |
 | Edwin Boyd: Citizen Gangster | Detective Rhys | Movie | 2011 |
 | Another Earth | John Burroughs | Movie | 2011 |
 | Portraits in Dramatic Time | Self / Appearance | Movie | 2011 |
 | Hawaii Five-0 | Eric Porter | TV Series | 2010 |
 | Justified | Delroy Baker | TV Series | 2010 |
 | Human Target | Sam Fisher | TV Series | 2010 |
 | Hurt | Darryl Coltrane | Movie | 2009 |
 | Celebrity Ghost Stories | Self | TV Series | 2009 |
 | Castle | Carl Matthews | TV Series | 2009 |
 | The Mentalist | Richard Haibach | TV Series | 2008 |
 | The Burrowers | Will Parcher | Movie | 2008 |
 | Viva Laughlin | Self / Appearance | TV Series | 2007 |
 | K-Ville | Self / Appearance | TV Series | 2007 |
 | Moving McAllister | Bob | Movie | 2007 |
 | Mad Men | Randall Walsh | TV Series | 2007 |
 | Burn Notice | Garret Hartley | TV Series | 2007 |
 | Moola | Steve | Movie | 2007 |
 | World Trade Center | Marine Sergeant Thomas | Movie | 2006 |
 | The Lather Effect | Jack | Movie | 2006 |
 | Ask the Dust | Bill | Movie | 2006 |
 | Criminal Minds | Ian Corbin | TV Series | 2005 |
 | Threshold | Self / Appearance | TV Series | 2005 |
 | The Zodiac | Dale Coverling | Movie | 2005 |
 | The Inside | Ronald Ewing | TV Series | 2005 |
 | Lords of Dogtown | Donnie | Movie | 2005 |
 | The Grudge | Matthew Williams | Movie | 2004 |
 | Lost | Ethan Rom | TV Series | 2004 |
 | Suspect Zero | Bill Grieves | Movie | 2004 |
 | NCIS | Kyle Grayson | TV Series | 2003 |
 | The Kiss | Peter | Movie | 2003 |
 | CSI: Miami | Pete Keller | TV Series | 2002 |
 | Minority Report | Hotel Clerk | Movie | 2002 |
 | The Pennsylvania Miners' Story | John 'Flathead' Phillippi | Movie | 2002 |
 | Vanilla Sky | Clubgoer (uncredited) | Movie | 2001 |
 | In the Bedroom | Richard Strout | Movie | 2001 |
 | Law & Order: Criminal Intent | John Silvestri | TV Series | 2001 |
 | Crossing Jordan | Henry Bishop | TV Series | 2001 |
 | Swordfish | Gabriel's Crew | Movie | 2001 |
 | CSI: Crime Scene Investigation | Douglas Sampson | TV Series | 2000 |
 | Mission: Impossible II | Wallis | Movie | 2000 |
 | Magnolia | WDKK Show Director's Assistant | Movie | 1999 |
 | Law & Order: Special Victims Unit | Luke Edmunds | TV Series | 1999 |
 | The Unknown Cyclist | By Stander | Movie | 1998 |
 | Without Limits | Bob Peters | Movie | 1998 |
 | Touched by an Angel | Eddie | TV Series | 1994 |
 | Born on the Fourth of July | Platoon - Vietnam | Movie | 1989 |
| The Possession at Gladstone Manor | Henry Gladstone | Movie | — | |
 | Shed | Dr. Levin | Movie | — |