Acting
William Mapother
Born April 17, 1965 · Louisville, Kentucky, USA
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
7.4 TMDB
Minority Report
Hotel Clerk
6.1 TMDB
Mission: Impossible II
Wallis
8.1 TMDB
American Horror Story
Driver
8.0 TMDB
Lost
Ethan Rom
6.8 TMDB
Vanilla Sky
Clubgoer (uncredited)
8.4 TMDB
The Mentalist
Richard Haibach
7.3 TMDB
Supergirl
Dr. Rudy Jones / Parasite
8.0 TMDB
Law & Order: Special Victims Unit
Luke Edmunds
7.7 TMDB
Magnolia
WDKK Show Director's Assistant
8.3 TMDB
Criminal Minds
Ian Corbin
7.6 TMDB
The Blacklist
Bill
8.3 TMDB
Grimm
Dwight Eleazer
7.6 TMDB
I Origins
Darryl Mackenzie
5.9 TMDB
The Grudge
Matthew Williams
6.3 TMDB
Swordfish
Gabriel's Crew
6.1 TMDB
Jobs
Calligraphy Professor
7.6 TMDB
NCIS
Kyle Grayson
5.5 TMDB
Blackhat
Rich Donahue
8.0 TMDB
Castle
Carl Matthews
7.0 TMDB
Born on the Fourth of July
Platoon - Vietnam
Filmography
- 2026SHEDDr. LevinMovie
- 2026The LeaderReverend ApplewhiteMovie
- 2025Suits LAGreg FisherSeries
- 2024Outlaw PosseAngelMovie
- 2023Black Girl MissingRussellMovie
- 2023On Sacred GroundDaniel McKinney, WriterMovie
- 2021Son of MonarchsBob, Co-Executive ProducerMovie
- 2021A Little DreamWayneSeries
- 20209-1-1: Lone StarBruce AckermanSeries
- 2020FBI: Most WantedTravis RussellSeries
- 2016MacGyverThe Client / Daniel HoltSeries
- 2016Tell Me How I DieDr. JerremsMovie
- 2016Rush HourPrincipalSeries
- 2015SupergirlDr. Rudy Jones / ParasiteSeries
- 2015Minority ReportCharlie PeeleSeries
- 2015PowersTodd SecorSeries
- 2015BlackhatRich DonahueMovie
- 2015The Atticus InstituteDr. Henry WestMovie
- 2014ConstantineJacob ShawSeries
- 2014American War GeneralsSelf - NarratorMovie
- 2014I OriginsDarryl MackenzieMovie
- 2014Drew Peterson: UntouchableGlenn LeveckeMovie
- 2013The BlacklistBillSeries
- 2013Escape from PolygamyErvilMovie
- 2013UnderdogsBill BurkettMovie
- 2013JobsCalligraphy ProfessorMovie
- 2013It's Dark HereDavid TenniesMovie
- 2012StaticGreg WagnerMovie
- 2012FDR: American Badass!Dr. EllingtonMovie
- 2012Darnell Dawkins: Mouth Guitar LegendPastor JenkinsMovie
- 2011A Warrior's HeartCoach David MilliganMovie
- 2011GrimmDwight EleazerSeries
- 2011American Horror StoryDriverSeries
- 2011Edwin Boyd: Citizen GangsterDetective RhysMovie
- 2011Another EarthJohn BurroughsMovie
- 2011Portraits in Dramatic TimeMovie
- 2010Hawaii Five-0Eric PorterSeries
- 2010JustifiedDelroy BakerSeries
- 2010Human TargetSam FisherSeries
- 2009HurtDarryl ColtraneMovie
- 2009Celebrity Ghost StoriesSelfSeries
- 2009CastleCarl MatthewsSeries
- 2008The MentalistRichard HaibachSeries
- 2008The BurrowersWill ParcherMovie
- 2007Viva LaughlinSeries
- 2007K-VilleSeries
- 2007Moving McAllisterBobMovie
- 2007Mad MenRandall WalshSeries
- 2007Burn NoticeGarret HartleySeries
- 2007MoolaSteveMovie
- 2006World Trade CenterMarine Sergeant ThomasMovie
- 2006The Lather EffectJackMovie
- 2006Ask the DustBillMovie
- 2005Criminal MindsIan CorbinSeries
- 2005ThresholdSeries
- 2005The ZodiacDale CoverlingMovie
- 2005The InsideRonald EwingSeries
- 2005Lords of DogtownDonnieMovie
- 2004The GrudgeMatthew WilliamsMovie
- 2004LostEthan RomSeries
- 2004Suspect ZeroBill GrievesMovie
- 2003NCISKyle GraysonSeries
- 2003The KissPeterMovie
- 2002CSI: MiamiPete KellerSeries
- 2002Minority ReportHotel ClerkMovie
- 2002The Pennsylvania Miners' StoryJohn 'Flathead' PhillippiMovie
- 2001Vanilla SkyClubgoer (uncredited)Movie
- 2001In the BedroomRichard StroutMovie
- 2001Law & Order: Criminal IntentJohn SilvestriSeries
- 2001Crossing JordanHenry BishopSeries
- 2001SwordfishGabriel's CrewMovie
- 2000CSI: Crime Scene InvestigationDouglas SampsonSeries
- 2000Mission: Impossible IIWallisMovie
- 1999MagnoliaWDKK Show Director's AssistantMovie
- 1999Law & Order: Special Victims UnitLuke EdmundsSeries
- 1998The Unknown CyclistBy StanderMovie
- 1998Without LimitsBob PetersMovie
- 1994Touched by an AngelEddieSeries
- 1989Born on the Fourth of JulyPlatoon - VietnamMovie
- —The Possession at Gladstone ManorHenry GladstoneMovie