William Mapother

Biography

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.

Career Overview

William Mapother has 73 screen credits in a career dating back to 1989. Their work spans 3 cinematic universes — most prominently Ju-On / The Grudge with 1 titles. Signature works include Lords of Dogtown, The Grudge, Mission: Impossible II. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For

Acting

Gender

male

Known Credits

73

Birth Date

1965-04-17 00:00:00

Birth Place

Louisville, Kentucky, USA

Known For

• 

  Lords of Dogtown
• 

  The Grudge
• 

  Mission: Impossible II
• 

  The Atticus Institute
• Shed
• 

  Outlaw Posse

Associated Universes

Universe traveler — spans 3 universes

• Ju-On / The Grudge (1 titles)
• The Grudge Collection (1 titles)
• Mission: Impossible (1 titles)

Frequent Collaborators

• John Robinson (1 collaborations)
• Emile Hirsch (1 collaborations)
• Rebecca De Mornay (1 collaborations)
• Julio Oscar Mechoso (1 collaborations)
• Victor Rasuk (1 collaborations)
• Nikki Reed (1 collaborations)
• Heath Ledger (1 collaborations)
• Vincent Laresca (1 collaborations)
• Brian Zarate (1 collaborations)
• Pablo Schreiber (1 collaborations)

Credits

• actors (71 credits)

  • Shed

    Dr. Levin

    actor

    actors
    2026
  • The Possession at Gladstone Manor

    Henry Gladstone

    actor

    actors
    2026
  • The Leader

    Reverend Applewhite

    actor

    actors
    2026
  • Suits LA

    - Slugfest (2025) ... Greg Fisher actor actors
    2025
  • Outlaw Posse

    Angel

    actor

    actors
    2024
  • Black Girl Missing

    Russell

    actor

    actors
    2023
  • On Sacred Ground

    Daniel McKinney

    actor

    actors
    2023
  • Son of Monarchs

    Bob

    actor

    actors
    2021
  • FBI: Most Wanted

    - Winner (2021) ... Travis Russell actor actors
    2020
  • 9-1-1: Lone Star

    - Monster Inside (2020) ... Bruce Ackerman actor actors
    2020
  • Tell Me How I Die

    Dr. Jerrems

    actor

    actors
    2016
  • MacGyver

    - Cigar Cutter (2017) ... The Client / Daniel Holt actor actors

    - Hole Puncher (2017) ... The Client / Daniel Holt actor actors
    2016
  • Blackhat

    Rich Donahue

    actor

    actors
    2015
  • The Atticus Institute

    Dr. Henry West

    actor

    actors
    2015
  • Supergirl

    - Changing (2016) ... Dr. Rudy Jones / Parasite actor actors
    2015
  • Minority Report

    - Fredi (2015) ... Charlie Peele actor actors

    - Hawk-Eye (2015) ... Charlie Peele actor actors
    2015
  • American War Generals

    Self - Narrator

    actor

    actors
    2014
  • I Origins

    Darryl Mackenzie

    actor

    actors
    2014
  • Constantine

    - A Whole World Out There (2015) ... Jacob Shaw actor actors
    2014
  • Escape from Polygamy

    Ervil

    actor

    actors
    2013
  • Underdogs

    Bill Burkett

    actor

    actors
    2013
  • Jobs

    Calligraphy Professor

    actor

    actors
    2013
  • It's Dark Here

    David Tennies

    actor

    actors
    2013
  • The Blacklist

    - Ruin (2018) ... Bill actor actors
    2013
  • Static

    Greg Wagner

    actor

    actors
    2012
  • FDR: American Badass!

    Dr. Ellington

    actor

    actors
    2012
  • Darnell Dawkins: Mouth Guitar Legend

    Pastor Jenkins

    actor

    actors
    2012
  • A Warrior's Heart

    Coach David Milligan

    actor

    actors
    2011
  • Edwin Boyd: Citizen Gangster

    Detective Rhys

    actor

    actors
    2011
  • Another Earth

    John Burroughs

    actor

    actors
    2011
  • Portraits in Dramatic Time

    actor

    actors
    2011
  • Grimm

    - The Believer (2016) ... Dwight Eleazer actor actors
    2011
  • American Horror Story

    - Dark Cousin (2012) ... Driver actor actors
    2011
  • Hawaii Five-0

    - Ka Makuakāne (Family Man) (2014) ... Eric Porter actor actors
    2010
  • Justified

    - Loose Ends (2012) ... Delroy Baker actor actors

    - When the Guns Come Out (2012) ... Delroy Baker actor actors
    2010
  • Human Target

    - Sanctuary (2010) ... Sam Fisher actor actors
    2010
  • Hurt

    Darryl Coltrane

    actor

    actors
    2009
  • Castle

    - Disciple (2013) ... Carl Matthews actor actors
    2009
  • The Burrowers

    Will Parcher

    actor

    actors
    2008
  • The Mentalist

    - White as the Driven Snow (2014) ... Richard Haibach actor actors

    - Grey Water (2014) ... Richard Haibach actor actors

    - Red Listed (2013) ... Richard Haibach actor actors

    - Blinking Red Light (2011) ... Richard Haibach actor actors
    2008
  • Moving McAllister

    Bob

    actor

    actors
    2007
  • Moola

    Steve

    actor

    actors
    2007
  • Burn Notice

    - Shock Wave (2012) ... Garret Hartley actor actors
    2007
  • Mad Men

    - The Flood (2013) ... Randall Walsh actor actors
    2007
  • World Trade Center

    Marine Sergeant Thomas

    actor

    actors
    2006
  • The Lather Effect

    Jack

    actor

    actors
    2006
  • Ask the Dust

    Bill

    actor

    actors
    2006
  • The Zodiac

    Dale Coverling

    actor

    actors
    2005
  • Lords of Dogtown

    Donnie

    actor

    actors
    2005
  • Criminal Minds

    - Paradise (2008) ... Ian Corbin actor actors
    2005
  • Threshold

    - Trees Made of Glass (2) (2005) ... actor actors

    - Trees Made of Glass (1) (2005) ... actor actors
    2005
  • The Grudge

    Matthew Williams

    actor

    actors
    2004
  • Suspect Zero

    Bill Grieves

    actor

    actors
    2004
  • Lost

    - What Kate Does (2010) ... Ethan Rom actor actors

    - Because You Left (2009) ... Ethan Rom actor actors

    - One of Us (2007) ... Ethan Rom actor actors

    - Exposé (2007) ... Ethan Rom actor actors

    - Not in Portland (2007) ... Ethan Rom actor actors
    2004
  • The Kiss

    Peter

    actor

    actors
    2003
  • Minority Report

    Hotel Clerk

    actor

    actors
    2002
  • The Pennsylvania Miners' Story

    John 'Flathead' Phillippi

    actor

    actors
    2002
  • CSI: Miami

    - Lost Son (2004) ... Pete Keller actor actors
    2002
  • Vanilla Sky

    Clubgoer (uncredited)

    actor

    actors
    2001
  • In the Bedroom

    Richard Strout

    actor

    actors
    2001
  • Swordfish

    Gabriel's Crew

    actor

    actors
    2001
  • Law & Order: Criminal Intent

    - Love On Ice (2010) ... John Silvestri actor actors
    2001
  • Crossing Jordan

    - Death Goes On (2005) ... Henry Bishop actor actors
    2001
  • Mission: Impossible II

    Wallis

    actor

    actors
    2000
  • CSI: Crime Scene Investigation

    - Snuff (2002) ... Douglas Sampson actor actors
    2000
  • Magnolia

    WDKK Show Director's Assistant

    actor

    actors
    1999
  • Law & Order: Special Victims Unit

    - Rotten (2003) ... Luke Edmunds actor actors
    1999
  • The Unknown Cyclist

    By Stander

    actor

    actors
    1998
  • Without Limits

    Bob Peters

    actor

    actors
    1998
  • Touched by an Angel

    - I Will Walk With You (2) (2003) ... Eddie actor actors

    - I Will Walk With You (1) (2003) ... Eddie actor actors
    1994
  • Born on the Fourth of July

    Platoon - Vietnam

    actor

    actors
    1989

• writing (1 credits)

  • On Sacred Ground

    writer

    writing
    2023

• production (1 credits)

  • Son of Monarchs

    co-executive producer

    production
    2021