William Mapother
Acting Born Apr 17, 1965 Louisville, Kentucky, USA 82 credits
Biography
William Reibert Mapother Jr. is an American actor born on April 17, 1965, in Louisville, Kentucky, USA. He is known for his role as Ethan Rom on the television series Lost. In film, he is known for starring in In the Bedroom and for the film Another Earth. His professional acting credits include eighty known credits on The Movie Database.
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Career overview
William Reibert Mapother Jr. is an American actor born on April 17, 1965, in Louisville, Kentucky, USA. Throughout his career in the entertainment industry, he has accumulated eighty known acting credits in movies and television shows.
Mapother is well known for his television work, notably for his role as Ethan Rom on the television series Lost. In addition to his television appearances, he has gained recognition for his performances in feature films. He starred in the film In the Bedroom and is also known for his work in the movie Another Earth.
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Frequent co-stars
Career timeline
The Leader
Suits LA
Outlaw Posse
Black Girl MissingOn Sacred GroundOn Sacred Ground · Writer
Son of MonarchsSon of Monarchs · Co-Executive ProducerA Little Dream
FBI: Most Wanted9-1-1: Lone Star
MacGyverRush HourTell Me How I Die
SupergirlMinority ReportBlackhatPowersThe Atticus Institute
ConstantineI OriginsDrew Peterson: UntouchableAmerican War Generals
The BlacklistJobsEscape from PolygamyIt's Dark HereUnderdogs
StaticFDR: American Badass!Darnell Dawkins: Mouth Guitar Legend
GrimmAmerican Horror StoryAnother EarthEdwin Boyd: Citizen GangsterA Warrior's Heart
Hawaii Five-0JustifiedHuman Target
CastleCelebrity Ghost StoriesHurt
The MentalistThe Burrowers
Mad MenBurn NoticeViva LaughlinK-VilleMoving McAllister
World Trade CenterThe Lather EffectAsk the Dust
Criminal MindsThresholdThe InsideLords of DogtownThe Zodiac
LostThe GrudgeSuspect Zero
NCISThe Kiss
CSI: MiamiMinority ReportThe Pennsylvania Miners' Story
Law & Order: Criminal IntentCrossing JordanVanilla SkySwordfishIn the Bedroom
CSI: Crime Scene InvestigationMission: Impossible II
Law & Order: Special Victims UnitMagnolia
The Unknown CyclistWithout Limits
Touched by an Angel
Born on the Fourth of July
Full filmography
- The Leader (2026) as Reverend Applewhite
- Suits LA (2025) as Greg Fisher
- Outlaw Posse (2024) as Angel
- Black Girl Missing (2023) as Russell
- On Sacred Ground (2023) as Daniel McKinney
- On Sacred Ground (2023) Writer
- Son of Monarchs (2021) as Bob
- Son of Monarchs (2021) Co-Executive Producer
- A Little Dream (2021) as Wayne
- FBI: Most Wanted (2020) as Travis Russell
- 9-1-1: Lone Star (2020) as Bruce Ackerman
- MacGyver (2016) as The Client / Daniel Holt
- Rush Hour (2016) as Principal
- Tell Me How I Die (2016) as Dr. Jerrems
- Supergirl (2015) as Dr. Rudy Jones / Parasite
- Minority Report (2015) as Charlie Peele
- Blackhat (2015) as Rich Donahue
- Powers (2015) as Todd Secor
- The Atticus Institute (2015) as Dr. Henry West
- Constantine (2014) as Jacob Shaw
- I Origins (2014) as Darryl Mackenzie
- Drew Peterson: Untouchable (2014) as Glenn Levecke
- American War Generals (2014) as Self - Narrator
- The Blacklist (2013) as Bill
- Jobs (2013) as Calligraphy Professor
- Escape from Polygamy (2013) as Ervil
- It's Dark Here (2013) as David Tennies
- Underdogs (2013) as Bill Burkett
- Static (2012) as Greg Wagner
- FDR: American Badass! (2012) as Dr. Ellington
- Darnell Dawkins: Mouth Guitar Legend (2012) as Pastor Jenkins
- Grimm (2011) as Dwight Eleazer
- American Horror Story (2011) as Driver
- Another Earth (2011) as John Burroughs
- Edwin Boyd: Citizen Gangster (2011) as Detective Rhys
- A Warrior's Heart (2011) as Coach David Milligan
- Portraits in Dramatic Time (2011)
- Hawaii Five-0 (2010) as Eric Porter
- Justified (2010) as Delroy Baker
- Human Target (2010) as Sam Fisher
- Castle (2009) as Carl Matthews
- Celebrity Ghost Stories (2009) as Self
- Hurt (2009) as Darryl Coltrane
- The Mentalist (2008) as Richard Haibach
- The Burrowers (2008) as Will Parcher
- Mad Men (2007) as Randall Walsh
- Burn Notice (2007) as Garret Hartley
- Viva Laughlin (2007)
- K-Ville (2007)
- Moving McAllister (2007) as Bob
- Moola (2007) as Steve
- World Trade Center (2006) as Marine Sergeant Thomas
- The Lather Effect (2006) as Jack
- Ask the Dust (2006) as Bill
- Criminal Minds (2005) as Ian Corbin
- Threshold (2005)
- The Inside (2005) as Ronald Ewing
- Lords of Dogtown (2005) as Donnie
- The Zodiac (2005) as Dale Coverling
- Lost (2004) as Ethan Rom
- The Grudge (2004) as Matthew Williams
- Suspect Zero (2004) as Bill Grieves
- NCIS (2003) as Kyle Grayson
- The Kiss (2003) as Peter
- CSI: Miami (2002) as Pete Keller
- Minority Report (2002) as Hotel Clerk
- The Pennsylvania Miners' Story (2002) as John 'Flathead' Phillippi
- Law & Order: Criminal Intent (2001) as John Silvestri
- Crossing Jordan (2001) as Henry Bishop
- Vanilla Sky (2001) as Clubgoer (uncredited)
- Swordfish (2001) as Gabriel's Crew
- In the Bedroom (2001) as Richard Strout
- CSI: Crime Scene Investigation (2000) as Douglas Sampson
- Mission: Impossible II (2000) as Wallis
- Law & Order: Special Victims Unit (1999) as Luke Edmunds
- Magnolia (1999) as WDKK Show Director's Assistant
- The Unknown Cyclist (1998) as By Stander
- Without Limits (1998) as Bob Peters
- Touched by an Angel (1994) as Eddie
- Born on the Fourth of July (1989) as Platoon - Vietnam
- Shed as Dr. Levin
- The Possession at Gladstone Manor as Henry Gladstone