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