William Mapother

Known for: Acting

Born: 1965-04-17 (age 61)

From: Louisville, Kentucky, USA

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 (80)

MOVIE
The Leader
2026
as Reverend Applewhite
TV★ 6.8
Suits LA
2025
as Greg Fisher
MOVIE★ 4.7
Outlaw Posse
2024
as Angel
MOVIE★ 7.3
Black Girl Missing
2023
as Russell
MOVIE★ 5.3
On Sacred Ground
2023
as Daniel McKinney
MOVIE★ 5.5
Son of Monarchs
2021
as Bob
TV
A Little Dream
2021
as Wayne
TV★ 8.0
9-1-1: Lone Star
2020
as Bruce Ackerman
TV★ 7.6
FBI: Most Wanted
2020
as Travis Russell
TV★ 7.3
MacGyver
2016
as The Client / Daniel Holt
MOVIE★ 5.4
Tell Me How I Die
2016
as Dr. Jerrems
TV★ 5.2
Rush Hour
2016
as Principal
TV★ 7.3
Supergirl
2015
as Dr. Rudy Jones / Parasite
TV★ 5.9
Minority Report
2015
as Charlie Peele
TV★ 6.6
Powers
2015
as Todd Secor
MOVIE★ 5.5
Blackhat
2015
as Rich Donahue
MOVIE★ 5.8
The Atticus Institute
2015
as Dr. Henry West
TV★ 7.8
Constantine
2014
as Jacob Shaw
MOVIE
American War Generals
2014
as Self - Narrator
MOVIE★ 7.6
I Origins
2014
as Darryl Mackenzie
MOVIE★ 5.3
Drew Peterson: Untouchable
2014
as Glenn Levecke
TV★ 7.6
The Blacklist
2013
as Bill
MOVIE★ 6.8
Escape from Polygamy
2013
as Ervil
MOVIE★ 5.6
Underdogs
2013
as Bill Burkett
MOVIE★ 6.1
Jobs
2013
as Calligraphy Professor
MOVIE
It's Dark Here
2013
as David Tennies
MOVIE★ 5.2
Static
2012
as Greg Wagner
MOVIE★ 5.1
FDR: American Badass!
2012
as Dr. Ellington
MOVIE
Darnell Dawkins: Mouth Guitar Legend
2012
as Pastor Jenkins
MOVIE★ 5.4
A Warrior's Heart
2011
as Coach David Milligan
TV★ 8.3
Grimm
2011
as Dwight Eleazer
TV★ 8.1
American Horror Story
2011
as Driver
MOVIE★ 5.6
Edwin Boyd: Citizen Gangster
2011
as Detective Rhys
MOVIE★ 6.7
Another Earth
2011
as John Burroughs
MOVIE★ 8.0
Portraits in Dramatic Time
2011
TV★ 7.7
Hawaii Five-0
2010
as Eric Porter
TV★ 8.0
Justified
2010
as Delroy Baker
TV★ 7.3
Human Target
2010
as Sam Fisher
MOVIE★ 4.6
Hurt
2009
as Darryl Coltrane
TV★ 7.3
Celebrity Ghost Stories
2009
as Self
TV★ 8.0
Castle
2009
as Carl Matthews
TV★ 8.4
The Mentalist
2008
as Richard Haibach
MOVIE★ 5.9
The Burrowers
2008
as Will Parcher
TV★ 2.5
Viva Laughlin
2007
TV★ 6.7
K-Ville
2007
MOVIE★ 5.1
Moving McAllister
2007
as Bob
TV★ 8.1
Mad Men
2007
as Randall Walsh
TV★ 7.5
Burn Notice
2007
as Garret Hartley
MOVIE★ 4.1
Moola
2007
as Steve
MOVIE★ 6.1
World Trade Center
2006
as Marine Sergeant Thomas
MOVIE★ 5.0
The Lather Effect
2006
as Jack
MOVIE★ 5.4
Ask the Dust
2006
as Bill
TV★ 8.3
Criminal Minds
2005
as Ian Corbin
TV★ 7.0
Threshold
2005
MOVIE★ 5.5
The Zodiac
2005
as Dale Coverling
TV★ 7.3
The Inside
2005
as Ronald Ewing
MOVIE★ 7.1
Lords of Dogtown
2005
as Donnie
MOVIE★ 5.9
The Grudge
2004
as Matthew Williams
TV★ 8.0
Lost
2004
as Ethan Rom
MOVIE★ 5.5
Suspect Zero
2004
as Bill Grieves
TV★ 7.6
NCIS
2003
as Kyle Grayson
MOVIE★ 5.3
The Kiss
2003
as Peter
TV★ 7.7
CSI: Miami
2002
as Pete Keller
MOVIE★ 7.4
Minority Report
2002
as Hotel Clerk
MOVIE★ 7.0
The Pennsylvania Miners' Story
2002
as John 'Flathead' Phillippi
MOVIE★ 6.8
Vanilla Sky
2001
as Clubgoer (uncredited)
MOVIE★ 6.9
In the Bedroom
2001
as Richard Strout
TV★ 7.6
Law & Order: Criminal Intent
2001
as John Silvestri
TV★ 7.2
Crossing Jordan
2001
as Henry Bishop
MOVIE★ 6.3
Swordfish
2001
as Gabriel's Crew
TV★ 7.6
CSI: Crime Scene Investigation
2000
as Douglas Sampson
MOVIE★ 6.1
Mission: Impossible II
2000
as Wallis
MOVIE★ 7.7
Magnolia
1999
as WDKK Show Director's Assistant
TV★ 8.0
Law & Order: Special Victims Unit
1999
as Luke Edmunds
MOVIE★ 4.7
The Unknown Cyclist
1998
as By Stander
MOVIE★ 6.6
Without Limits
1998
as Bob Peters
TV★ 7.2
Touched by an Angel
1994
as Eddie
MOVIE★ 7.0
Born on the Fourth of July
1989
as Platoon - Vietnam
MOVIE
Shed
—
as Dr. Levin
MOVIE
The Possession at Gladstone Manor
—
as Henry Gladstone