William Mapother
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
The Mentalist
2008
Law & Order: Special Victims Unit
1999
NCIS
2003
Criminal Minds
2005
CSI: Crime Scene Investigation
2000
Hawaii Five-0
2010
CSI: Miami
2002
The Blacklist
2013
Law & Order: Criminal Intent
2001
Castle
2009
American Horror Story
2011
Lost
2004
Grimm
2011
Mad Men
2007
Supergirl
2015
Crossing Jordan
2001
FBI: Most Wanted
2020
Burn Notice
2007
9-1-1: Lone Star
2020
Justified
2010
Touched by an Angel
1994
MacGyver
2016
Mission: Impossible II
2000
Blackhat
2015