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