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