William Mapother
Apr 17, 1965 (60 years old) in Louisville, Kentucky, USA
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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Known For
Criminal Minds
Ian Corbin
CSI: Crime Scene Investigation
Douglas Sampson
Hawaii Five-0
Eric Porter
NCIS
Kyle Grayson
The Blacklist
Bill
Law & Order: Special Victims Unit
Luke Edmunds
Law & Order: Criminal Intent
John Silvestri
Lost
Ethan Rom
The Mentalist
Richard Haibach
9-1-1: Lone Star
Bruce Ackerman
Credits
-
Henry Gladstone★ NR -
Suits LA 2025Greg Fisher★ 7.1 -
Outlaw Posse 2024Angel★ 5.3 -
Black Girl Missing 2023Russell★ 6.9 -
On Sacred Ground 2023Daniel McKinney★ 5.3 -
Son of Monarchs 2021Bob★ 5.8 -
A Little Dream 2021Wayne★ NR -
9-1-1: Lone Star 2020Bruce Ackerman★ 8 -
FBI: Most Wanted 2020Travis Russell★ 7.7 -
MacGyver 2016The Client / Daniel Holt★ 7.3 -
Tell Me How I Die 2016Dr. Jerrems★ 5.4 -
Rush Hour 2016Principal★ 5.2 -
Supergirl 2015Dr. Rudy Jones / Parasite★ 7.3 -
Powers 2015Todd Secor★ 6.7 -
Blackhat 2015Rich Donahue★ 5.5 -
Dr. Henry West★ 5.8 -
Constantine 2014Jacob Shaw★ 7.8 -
I Origins 2014Darryl Mackenzie★ 7.6 -
Glenn Levecke★ 5.4 -
The Blacklist 2013Bill★ 7.6 -
Escape from Polygamy 2013Ervil★ 6.8 -
Underdogs 2013Bill Burkett★ 5.7 -
Jobs 2013Calligraphy Professor★ 6.1 -
It's Dark Here 2013David Tennies★ NR -
Static 2012Greg Wagner★ 5.1 -
Dr. Ellington★ 5.2 -
Pastor Jenkins★ NR -
A Warrior's Heart 2011Coach David Milligan★ 5.4 -
Grimm 2011Dwight Eleazer★ 8.3 -
Driver★ 8.1 -
Detective Rhys★ 5.5 -
Another Earth 2011John Burroughs★ 6.7 -
★ 8 -
Hawaii Five-0 2010Eric Porter★ 7.8 -
Justified 2010Delroy Baker★ 8 -
Human Target 2010Sam Fisher★ 7.2 -
Hurt 2009Darryl Coltrane★ 4.6 -
Castle 2009Carl Matthews★ 8 -
The Mentalist 2008Richard Haibach★ 8.4 -
The Burrowers 2008Will Parcher★ 5.9 -
Viva Laughlin 2007★ 4 -
K-Ville 2007★ 6.8 -
Moving McAllister 2007Bob★ 5 -
Mad Men 2007Randall Walsh★ 8.1 -
Burn Notice 2007Garret Hartley★ 7.5 -
Moola 2007Steve★ 3.8 -
World Trade Center 2006Marine Sergeant Thomas★ 6.1 -
The Lather Effect 2006Jack★ 4.8 -
Ask the Dust 2006Bill★ 5.4 -
Criminal Minds 2005Ian Corbin★ 8.3 -
Threshold 2005★ 7 -
The Zodiac 2005Dale Coverling★ 5.5 -
The Inside 2005Ronald Ewing★ 7.2 -
Lords of Dogtown 2005Donnie★ 7.1 -
The Grudge 2004Matthew Williams★ 5.9 -
Lost 2004Ethan Rom★ 7.9 -
Suspect Zero 2004Bill Grieves★ 5.6 -
NCIS 2003Kyle Grayson★ 7.6 -
The Kiss 2003Peter★ 5.3 -
CSI: Miami 2002Pete Keller★ 7.7 -
Minority Report 2002Hotel Clerk★ 7.3 -
Vanilla Sky 2001Clubgoer (uncredited)★ 6.8 -
In the Bedroom 2001Richard Strout★ 6.9 -
John Silvestri★ 7.6 -
Crossing Jordan 2001Henry Bishop★ 7.2 -
Swordfish 2001Gabriel's Crew★ 6.3 -
Douglas Sampson★ 7.6 -
Wallis★ 6.1 -
Magnolia 1999WDKK Show Director's Assistant★ 7.7 -
Luke Edmunds★ 7.9 -
The Unknown Cyclist 1998By Stander★ 4.7 -
Without Limits 1998Bob Peters★ 6.5 -
Touched by an Angel 1994Eddie★ 7.2 -
Platoon - Vietnam★ 7