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William Mapother

William Mapother

Acting·1965·44 films

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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As Actor

Minority Report
Minority Report (2002)Hotel Clerk
Mission: Impossible II
Mission: Impossible II (2000)Wallis
Vanilla Sky
Vanilla Sky (2001)Clubgoer (uncredited)
Magnolia
Magnolia (1999)WDKK Show Director's Assistant
I Origins
I Origins (2014)Darryl Mackenzie
The Grudge
The Grudge (2004)Matthew Williams
Swordfish
Swordfish (2001)Gabriel's Crew
Jobs
Jobs (2013)Calligraphy Professor
Blackhat
Blackhat (2015)Rich Donahue
Born on the Fourth of July
Born on the Fourth of July (1989)Platoon - Vietnam
Another Earth
Another Earth (2011)John Burroughs
World Trade Center
World Trade Center (2006)Marine Sergeant Thomas
Lords of Dogtown
Lords of Dogtown (2005)Donnie
In the Bedroom
In the Bedroom (2001)Richard Strout
Suspect Zero
Suspect Zero (2004)Bill Grieves
The Atticus Institute
The Atticus Institute (2015)Dr. Henry West
The Burrowers
The Burrowers (2008)Will Parcher
Tell Me How I Die
Tell Me How I Die (2016)Dr. Jerrems
Ask the Dust
Ask the Dust (2006)Bill
The Zodiac
The Zodiac (2005)Dale Coverling
Static
Static (2012)Greg Wagner
FDR: American Badass!
FDR: American Badass! (2012)Dr. Ellington
Without Limits
Without Limits (1998)Bob Peters
A Warrior's Heart
A Warrior's Heart (2011)Coach David Milligan
Edwin Boyd: Citizen Gangster
Edwin Boyd: Citizen Gangster (2011)Detective Rhys
Moving McAllister
Moving McAllister (2007)Bob
Escape from Polygamy
Escape from Polygamy (2013)Ervil
Drew Peterson: Untouchable
Drew Peterson: Untouchable (2014)Glenn Levecke
Hurt
Hurt (2009)Darryl Coltrane
Underdogs
Underdogs (2013)Bill Burkett
Black Girl Missing
Black Girl Missing (2023)Russell
Outlaw Posse
Outlaw Posse (2024)Angel
The Kiss
The Kiss (2003)Peter
Son of Monarchs
Son of Monarchs (2021)Bob
On Sacred Ground
On Sacred Ground (2023)Daniel McKinney
The Lather Effect
The Lather Effect (2006)Jack
The Unknown Cyclist
The Unknown Cyclist (1998)By Stander
Moola
Moola (2007)Steve
Portraits in Dramatic Time
Portraits in Dramatic Time (2011)
The Pennsylvania Miners' Story
The Pennsylvania Miners' Story (2002)John 'Flathead' Phillippi
The Leader
The Leader (2026)Reverend Applewhite
Darnell Dawkins: Mouth Guitar Legend
Darnell Dawkins: Mouth Guitar Legend (2012)Pastor Jenkins
It's Dark Here
It's Dark Here (2013)David Tennies
American War Generals
American War Generals (2014)Self - Narrator

As Writer

On Sacred Ground
On Sacred Ground (2023)