WILLIAM MAPOTHER

William Mapother
William Mapother
Gender: Male
Known for: Acting
Birthday: April 17, 1965
Place of Birth: Louisville, Kentucky, USA

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.

Filmography

Starring

2025·
Suits LA
Greg Fisher
Russell
Wayne
Bruce Ackerman
Travis Russell
2016·
MacGyver
The Client / Daniel Holt
2016·
Rush Hour
Principal
2015·
Powers
Todd Secor
2015·
Supergirl
Dr. Rudy Jones / Parasite
Charlie Peele
Jacob Shaw
Bill
2013·
Jobs
Calligraphy Professor
2011·
Grimm
Dwight Eleazer
Eric Porter
2010·
Justified
Delroy Baker
2009·
Castle
Carl Matthews
Richard Haibach
2007·
Mad Men
Randall Walsh
Garret Hartley
2007·
K-Ville
Ronald Ewing
Ian Corbin
2005·
Threshold
2004·
Lost
Ethan Rom
2003·
NCIS
Kyle Grayson
Pete Keller
John Silvestri
Henry Bishop
Douglas Sampson
Angel
Daniel McKinney
Dr. Jerrems
Dr. Henry West
2015·
Blackhat
Rich Donahue
2014·
I Origins
Darryl Mackenzie
Glenn Levecke
David Tennies
2013·
Underdogs
Bill Burkett
Dr. Ellington
2012·
Static
Greg Wagner
Coach David Milligan
Detective Rhys
John Burroughs
2009·
Hurt
Darryl Coltrane
Will Parcher
2007·
Moola
Steve
Marine Sergeant Thomas
Bill
Donnie
Dale Coverling
Bill Grieves
Matthew Williams
2003·
The Kiss
Peter
Hotel Clerk
Clubgoer (uncredited)
2001·
Swordfish
Gabriel's Crew
Richard Strout
1999·
Magnolia
WDKK Show Director's Assistant
By Stander
Bob Peters
Platoon - Vietnam

Production

Writer
Co-Executive Producer