William Mapother

ActorWriterProduction Apr 17 (age 60) Louisville, Kentucky, USA 1989–2025 (36 year career)

6.5 avg rating

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.

Known For

Film

Minority Report

Hotel Clerk

Film

Magnolia

WDKK Show Director's Assistant

Film

I Origins

Darryl Mackenzie

Film

Vanilla Sky

Clubgoer (uncredited)

Film

Mission: Impossible II

Wallis

Film

Born on the Fourth of July

Platoon - Vietnam

Film

Swordfish

Gabriel's Crew

Film

Another Earth

John Burroughs

Filmography

Acting (79)

Movies (45)

Outlaw Posse

as Angel

On Sacred Ground

as Daniel McKinney

Black Girl Missing

as Russell

Son of Monarchs

as Bob

Tell Me How I Die

as Dr. Jerrems

Blackhat

as Rich Donahue

The Atticus Institute

as Dr. Henry West

I Origins

as Darryl Mackenzie

Drew Peterson: Untouchable

2014

as Glenn Levecke

5.3

American War Generals

2014

as Self - Narrator

Escape from Polygamy

2013

as Ervil

6.8

Jobs

2013

as Calligraphy Professor

Underdogs

as Bill Burkett

It's Dark Here

as David Tennies

FDR: American Badass!

as Dr. Ellington

Static

as Greg Wagner

Darnell Dawkins: Mouth Guitar Legend

2012

as Pastor Jenkins

Portraits in Dramatic Time

Another Earth

as John Burroughs

Edwin Boyd: Citizen Gangster

2011

as Detective Rhys

5.6

A Warrior's Heart

2011

as Coach David Milligan

Hurt

as Darryl Coltrane

The Burrowers

as Will Parcher

Moola

as Steve

Moving McAllister

as Bob

The Lather Effect

as Jack

World Trade Center

as Marine Sergeant Thomas

Ask the Dust

as Bill

Lords of Dogtown

as Donnie

The Zodiac

as Dale Coverling

The Grudge

as Matthew Williams

Suspect Zero

as Bill Grieves

The Kiss

as Peter

Minority Report

as Hotel Clerk

The Pennsylvania Miners' Story

2002

as John 'Flathead' Phillippi

Swordfish

2001

as Gabriel's Crew

6.3

Vanilla Sky

2001

as Clubgoer (uncredited)

6.8

In the Bedroom

2001

as Richard Strout

6.9

Mission: Impossible II

2000

as Wallis

6.1

Magnolia

1999

as WDKK Show Director's Assistant

Without Limits

as Bob Peters

The Unknown Cyclist

as By Stander

Born on the Fourth of July

1989

as Platoon - Vietnam

7.0

The Possession at Gladstone Manor

as Henry Gladstone

The Leader

Television (34)

Suits LA

2025

as Greg Fisher

6.9

A Little Dream

2021

as Wayne

9-1-1: Lone Star

as Bruce Ackerman

FBI: Most Wanted

as Travis Russell

MacGyver

as The Client / Daniel Holt

Rush Hour

as Principal

Supergirl

as Dr. Rudy Jones / Parasite

Powers

as Todd Secor

Minority Report

as Charlie Peele

Constantine

as Jacob Shaw

The Blacklist

as Bill

Grimm

as Dwight Eleazer

American Horror Story

as Driver

Hawaii Five-0

as Eric Porter

Justified

as Delroy Baker

Human Target

as Sam Fisher

Castle

as Carl Matthews

Celebrity Ghost Stories

as Self

The Mentalist

as Richard Haibach

Mad Men

as Randall Walsh

Burn Notice

as Garret Hartley

Viva Laughlin

K-Ville

Criminal Minds

as Ian Corbin

The Inside

as Ronald Ewing

Threshold

Lost

as Ethan Rom

NCIS

as Kyle Grayson

CSI: Miami

as Pete Keller

Crossing Jordan

as Henry Bishop

Law & Order: Criminal Intent

2001

as John Silvestri

7.6

CSI: Crime Scene Investigation

2000

as Douglas Sampson

7.6

Law & Order: Special Victims Unit

as Luke Edmunds

Touched by an Angel

as Eddie

Crew (2)

Movies (2)

On Sacred Ground

2023

Writer

5.3

Son of Monarchs

2021

Co-Executive Producer

5.8