Acting
Brian O'Neill is an actor and director.
Law & Order: Special Victims Unit
1999
Person of Interest
2011
Law & Order
1990
The Blacklist
2013
Law & Order: Criminal Intent
2001
The Good Wife
2009
Elementary
2012
Homeland
Gotham
2014
FBI: Most Wanted
2020
Third Watch
Unforgettable
Madam Secretary
Blindspot
2015
Avatar: The Last Airbender
2005
Damages
2007
The Night Agent
2023
Sheriff Country
2025
The Bourne Legacy
American Sports Story: Aaron Hernandez
2024