William Mapother
Acting
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
Acting80
movieThe Leader
2026
Reverend Applewhite
tvSuits LA
2025
Greg Fisher
movieBlack Girl Missing
2023
Russell
movieOn Sacred Ground
2023
Daniel McKinney
tvA Little Dream
2021
Wayne
tv9-1-1: Lone Star
2020
Bruce Ackerman
tvFBI: Most Wanted
2020
Travis Russell
tvMacGyver
2016
The Client / Daniel Holt
movieTell Me How I Die
2016
Dr. Jerrems
tvRush Hour
2016
Principal
tvSupergirl
2015
Dr. Rudy Jones / Parasite
tvMinority Report
2015
Charlie Peele
tvPowers
2015
Todd Secor
movieBlackhat
2015
Rich Donahue
movieThe Atticus Institute
2015
Dr. Henry West
tvConstantine
2014
Jacob Shaw
movieAmerican War Generals
2014
Self - Narrator
movieI Origins
2014
Darryl Mackenzie
movieDrew Peterson: Untouchable
2014
Glenn Levecke
movieUnderdogs
2013
Bill Burkett
movieJobs
2013
Calligraphy Professor
movieIt's Dark Here
2013
David Tennies
movieStatic
2012
Greg Wagner
movieFDR: American Badass!
2012
Dr. Ellington
movieDarnell Dawkins: Mouth Guitar Legend
2012
Pastor Jenkins
movieA Warrior's Heart
2011
Coach David Milligan
tvGrimm
2011
Dwight Eleazer
movieEdwin Boyd: Citizen Gangster
2011
Detective Rhys
movieAnother Earth
2011
John Burroughs
tvHawaii Five-0
2010
Eric Porter
tvJustified
2010
Delroy Baker
tvHuman Target
2010
Sam Fisher
movieHurt
2009
Darryl Coltrane
tvCastle
2009
Carl Matthews
tvThe Mentalist
2008
Richard Haibach
movieThe Burrowers
2008
Will Parcher
tvMad Men
2007
Randall Walsh
tvBurn Notice
2007
Garret Hartley
movieMoola
2007
Steve
movieWorld Trade Center
2006
Marine Sergeant Thomas
tvCriminal Minds
2005
Ian Corbin
movieThe Zodiac
2005
Dale Coverling
tvThe Inside
2005
Ronald Ewing
movieThe Grudge
2004
Matthew Williams
tvLost
2004
Ethan Rom
movieSuspect Zero
2004
Bill Grieves
tvNCIS
2003
Kyle Grayson
movieThe Kiss
2003
Peter
tvCSI: Miami
2002
Pete Keller
movieMinority Report
2002
Hotel Clerk
movieThe Pennsylvania Miners' Story
2002
John 'Flathead' Phillippi
movieVanilla Sky
2001
Clubgoer (uncredited)
movieIn the Bedroom
2001
Richard Strout
tvLaw & Order: Criminal Intent
2001
John Silvestri
tvCrossing Jordan
2001
Henry Bishop
movieSwordfish
2001
Gabriel's Crew
tvCSI: Crime Scene Investigation
2000
Douglas Sampson
movieMagnolia
1999
WDKK Show Director's Assistant
tvLaw & Order: Special Victims Unit
1999
Luke Edmunds
movieThe Unknown Cyclist
1998
By Stander
movieWithout Limits
1998
Bob Peters
movieBorn on the Fourth of July
1989
Platoon - Vietnam
Shed
Dr. Levin
Production1
movieSon of Monarchs
2021
Co-Executive Producer