Biography
Brian O'Neill is an actor and director.
Known For
Filmography
Sheriff Country
2025
American Sports Story: Aaron Hernandez
2024
The Night Agent
2023
FBI: Most Wanted
2020
Seven Seconds
2018
My Sordid Affair
2017
Search Party
2016
Blindspot
2015
Gotham
2014
Madam Secretary
2014
The Blacklist
2013
Elementary
2012
Homeland
2011
Person of Interest
2011
Unforgettable
2011
The Good Wife
2009
Cupid
2009
Damages
2007
Law & Order: Trial by Jury
2005
Avatar: The Last Airbender
2005
Law & Order: Criminal Intent
2001
Third Watch
1999
Law & Order: Special Victims Unit
1999
Law & Order
1990
Law & Order
1990
Law & Order
1990
Law & Order
1990