★ 8.1 
Acting
William Mapother
William Mapother is best known for American Horror Story, Lost, The Mentalist and Supergirl. William Mapother was born on April 17, 1965. William Mapother is 61 years old (born April 17, 1965).
- Born
- April 17, 1965 (61 years old)
- Place of birth
- 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.
Description above from the Wikipedia article William Mapother, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for
Filmography
- 2025Suits LAGreg Fisher
- 2021A Little DreamWayne
- 2020FBI: Most WantedTravis Russell
- 20209-1-1: Lone StarBruce Ackerman
- 2016Rush HourPrincipal
- 2016MacGyverThe Client / Daniel Holt
- 2015Minority ReportCharlie Peele
- 2015SupergirlDr. Rudy Jones / Parasite
- 2015PowersTodd Secor
- 2014ConstantineJacob Shaw
- 2013The BlacklistBill
- 2011American Horror StoryDriver
- 2011GrimmDwight Eleazer
- 2010Human TargetSam Fisher
- 2010JustifiedDelroy Baker
- 2010Hawaii Five-0Eric Porter
- 2009CastleCarl Matthews
- 2009Celebrity Ghost StoriesSelf
- 2008The MentalistRichard Haibach
- 2007Viva Laughlin
- 2007K-Ville
- 2007Burn NoticeGarret Hartley
- 2007Mad MenRandall Walsh
- 2005Threshold
- 2005Criminal MindsIan Corbin
- 2005The InsideRonald Ewing
- 2004LostEthan Rom
- 2003NCISKyle Grayson
- 2002CSI: MiamiPete Keller
- 2001Crossing JordanHenry Bishop
- 2001Law & Order: Criminal IntentJohn Silvestri
- 2000CSI: Crime Scene InvestigationDouglas Sampson
- 1999Law & Order: Special Victims UnitLuke Edmunds
- 1994Touched by an AngelEddie
Frequently asked questions
What movies and shows has William Mapother been in?
William Mapother is best known for American Horror Story, Lost, The Mentalist and Supergirl.
When was William Mapother born?
William Mapother was born on April 17, 1965. (Louisville, Kentucky, USA)
How old is William Mapother?
William Mapother is 61 years old (born April 17, 1965).
Updated: October 29, 2026 ·