Acting · Louisville, Kentucky, USA · Born April 17, 1965
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.
MovieThe Leader
2026
as Reverend Applewhite
TVSuits LA
2025
as Greg Fisher
MovieOutlaw Posse
2024
as Angel
MovieBlack Girl Missing
2023
as Russell
MovieOn Sacred Ground
2023
as Daniel McKinney
MovieSon of Monarchs
2021
as Bob
TVA Little Dream
2021
as Wayne
TV9-1-1: Lone Star
2020
as Bruce Ackerman
TVFBI: Most Wanted
2020
as Travis Russell
TVMacGyver
2016
as The Client / Daniel Holt
MovieTell Me How I Die
2016
as Dr. Jerrems
TVRush Hour
2016
as Principal
TVSupergirl
2015
as Dr. Rudy Jones / Parasite
TVMinority Report
2015
as Charlie Peele
TVPowers
2015
as Todd Secor
MovieBlackhat
2015
as Rich Donahue
MovieThe Atticus Institute
2015
as Dr. Henry West
TVConstantine
2014
as Jacob Shaw
MovieAmerican War Generals
2014
as Self - Narrator
MovieI Origins
2014
as Darryl Mackenzie
MovieDrew Peterson: Untouchable
2014
as Glenn Levecke
TVThe Blacklist
2013
as Bill
MovieEscape from Polygamy
2013
as Ervil
MovieUnderdogs
2013
as Bill Burkett
MovieJobs
2013
as Calligraphy Professor
MovieIt's Dark Here
2013
as David Tennies
MovieStatic
2012
as Greg Wagner
MovieFDR: American Badass!
2012
as Dr. Ellington
MovieDarnell Dawkins: Mouth Guitar Legend
2012
as Pastor Jenkins
MovieA Warrior's Heart
2011
as Coach David Milligan
TVGrimm
2011
as Dwight Eleazer
TVAmerican Horror Story
2011
as Driver
MovieEdwin Boyd: Citizen Gangster
2011
as Detective Rhys
MovieAnother Earth
2011
as John Burroughs
MoviePortraits in Dramatic Time
2011
TVHawaii Five-0
2010
as Eric Porter
TVJustified
2010
as Delroy Baker
TVHuman Target
2010
as Sam Fisher
MovieHurt
2009
as Darryl Coltrane
TVCelebrity Ghost Stories
2009
as Self
TVCastle
2009
as Carl Matthews
TVThe Mentalist
2008
as Richard Haibach
MovieThe Burrowers
2008
as Will Parcher
TVViva Laughlin
2007
TVK-Ville
2007
MovieMoving McAllister
2007
as Bob
TVMad Men
2007
as Randall Walsh
TVBurn Notice
2007
as Garret Hartley
MovieMoola
2007
as Steve
MovieWorld Trade Center
2006
as Marine Sergeant Thomas
MovieThe Lather Effect
2006
as Jack
MovieAsk the Dust
2006
as Bill
TVCriminal Minds
2005
as Ian Corbin
TVThreshold
2005
MovieThe Zodiac
2005
as Dale Coverling
TVThe Inside
2005
as Ronald Ewing
MovieLords of Dogtown
2005
as Donnie
MovieThe Grudge
2004
as Matthew Williams
TVLost
2004
as Ethan Rom
MovieSuspect Zero
2004
as Bill Grieves
TVNCIS
2003
as Kyle Grayson
MovieThe Kiss
2003
as Peter
TVCSI: Miami
2002
as Pete Keller
MovieMinority Report
2002
as Hotel Clerk
MovieThe Pennsylvania Miners' Story
2002
as John 'Flathead' Phillippi
MovieVanilla Sky
2001
as Clubgoer (uncredited)
MovieIn the Bedroom
2001
as Richard Strout
TVLaw & Order: Criminal Intent
2001
as John Silvestri
TVCrossing Jordan
2001
as Henry Bishop
MovieSwordfish
2001
as Gabriel's Crew
TVCSI: Crime Scene Investigation
2000
as Douglas Sampson
MovieMission: Impossible II
2000
as Wallis
MovieMagnolia
1999
as WDKK Show Director's Assistant
TVLaw & Order: Special Victims Unit
1999
as Luke Edmunds
MovieThe Unknown Cyclist
1998
as By Stander
MovieWithout Limits
1998
as Bob Peters
TVTouched by an Angel
1994
as Eddie
MovieBorn on the Fourth of July
1989
as Platoon - Vietnam
The Possession at Gladstone Manor
as Henry Gladstone
Shed
as Dr. Levin
