William Mapother

Acting

William Mapother

Born April 17, 1965Louisville, Kentucky, USA79 credits

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.

Known For

Suits LA
6.9

Suits LA

TV

2025

Outlaw Posse
4.6

Outlaw Posse

Movie

2024

Black Girl Missing
7.3

Black Girl Missing

Movie

2023

On Sacred Ground
5.3

On Sacred Ground

Movie

2023

Son of Monarchs
5.8

Son of Monarchs

Movie

2021

A Little Dream

A Little Dream

TV

2021

Filmography

Suits LA
2025Suits LAas Greg FisherTV
Outlaw Posse
2024Outlaw Posseas AngelMovie
Black Girl Missing
2023Black Girl Missingas RussellMovie
On Sacred Ground
2023On Sacred Groundas Daniel McKinneyMovie
Son of Monarchs
2021Son of Monarchsas BobMovie
A Little Dream
2021A Little Dreamas WayneTV
9-1-1: Lone Star
20209-1-1: Lone Staras Bruce AckermanTV
FBI: Most Wanted
2020FBI: Most Wantedas Travis RussellTV
MacGyver
2016MacGyveras The Client / Daniel HoltTV
Tell Me How I Die
2016Tell Me How I Dieas Dr. JerremsMovie
Rush Hour
2016Rush Houras PrincipalTV
Supergirl
2015Supergirlas Dr. Rudy Jones / ParasiteTV
Minority Report
2015Minority Reportas Charlie PeeleTV
Powers
2015Powersas Todd SecorTV
Blackhat
2015Blackhatas Rich DonahueMovie
The Atticus Institute
2015The Atticus Instituteas Dr. Henry WestMovie
Constantine
2014Constantineas Jacob ShawTV
American War Generals
2014American War Generalsas Self - NarratorMovie
I Origins
2014I Originsas Darryl MackenzieMovie
Drew Peterson: Untouchable
2014Drew Peterson: Untouchableas Glenn LeveckeMovie
The Blacklist
2013The Blacklistas BillTV
Escape from Polygamy
2013Escape from Polygamyas ErvilMovie
Underdogs
2013Underdogsas Bill BurkettMovie
Jobs
2013Jobsas Calligraphy ProfessorMovie
It's Dark Here
2013It's Dark Hereas David TenniesMovie
Static
2012Staticas Greg WagnerMovie
FDR: American Badass!
2012FDR: American Badass!as Dr. EllingtonMovie
Darnell Dawkins: Mouth Guitar Legend
2012Darnell Dawkins: Mouth Guitar Legendas Pastor JenkinsMovie
A Warrior's Heart
2011A Warrior's Heartas Coach David MilliganMovie
Grimm
2011Grimmas Dwight EleazerTV
American Horror Story
2011American Horror Storyas DriverTV
Edwin Boyd: Citizen Gangster
2011Edwin Boyd: Citizen Gangsteras Detective RhysMovie
Another Earth
2011Another Earthas John BurroughsMovie
Portraits in Dramatic Time
2011Portraits in Dramatic TimeMovie
Hawaii Five-0
2010Hawaii Five-0as Eric PorterTV
Justified
2010Justifiedas Delroy BakerTV
Human Target
2010Human Targetas Sam FisherTV
Hurt
2009Hurtas Darryl ColtraneMovie
Celebrity Ghost Stories
2009Celebrity Ghost Storiesas SelfTV
Castle
2009Castleas Carl MatthewsTV
The Mentalist
2008The Mentalistas Richard HaibachTV
The Burrowers
2008The Burrowersas Will ParcherMovie
Viva Laughlin
2007Viva LaughlinTV
K-Ville
2007K-VilleTV
Moving McAllister
2007Moving McAllisteras BobMovie
Mad Men
2007Mad Menas Randall WalshTV
Burn Notice
2007Burn Noticeas Garret HartleyTV
Moola
2007Moolaas SteveMovie
World Trade Center
2006World Trade Centeras Marine Sergeant ThomasMovie
The Lather Effect
2006The Lather Effectas JackMovie
Ask the Dust
2006Ask the Dustas BillMovie
Criminal Minds
2005Criminal Mindsas Ian CorbinTV
Threshold
2005ThresholdTV
The Zodiac
2005The Zodiacas Dale CoverlingMovie
The Inside
2005The Insideas Ronald EwingTV
Lords of Dogtown
2005Lords of Dogtownas DonnieMovie
The Grudge
2004The Grudgeas Matthew WilliamsMovie
Lost
2004Lostas Ethan RomTV
Suspect Zero
2004Suspect Zeroas Bill GrievesMovie
NCIS
2003NCISas Kyle GraysonTV
The Kiss
2003The Kissas PeterMovie
CSI: Miami
2002CSI: Miamias Pete KellerTV
Minority Report
2002Minority Reportas Hotel ClerkMovie
The Pennsylvania Miners' Story
2002The Pennsylvania Miners' Storyas John 'Flathead' PhillippiMovie
Vanilla Sky
2001Vanilla Skyas Clubgoer (uncredited)Movie
In the Bedroom
2001In the Bedroomas Richard StroutMovie
Law & Order: Criminal Intent
2001Law & Order: Criminal Intentas John SilvestriTV
Crossing Jordan
2001Crossing Jordanas Henry BishopTV
Swordfish
2001Swordfishas Gabriel's CrewMovie
CSI: Crime Scene Investigation
2000CSI: Crime Scene Investigationas Douglas SampsonTV
Mission: Impossible II
2000Mission: Impossible IIas WallisMovie
Magnolia
1999Magnoliaas WDKK Show Director's AssistantMovie
Law & Order: Special Victims Unit
1999Law & Order: Special Victims Unitas Luke EdmundsTV
The Unknown Cyclist
1998The Unknown Cyclistas By StanderMovie
Without Limits
1998Without Limitsas Bob PetersMovie
Touched by an Angel
1994Touched by an Angelas EddieTV
Born on the Fourth of July
1989Born on the Fourth of Julyas Platoon - VietnamMovie
T
—The Possession at Gladstone Manoras Henry GladstoneMovie
T
—The LeaderMovie