Acting
Brian O'Neill is an actor and director.
Law & Order: Special Victims Unit
1999
Law & Order
1990
The Blacklist
2013
Law & Order: Criminal Intent
2001
Homeland
2011
Person of Interest
Elementary
2012
The Good Wife
2009
Gotham
2014
The Night Agent
2023
Damages
2007
Blindspot
2015
FBI: Most Wanted
2020
Madam Secretary
Third Watch
Avatar: The Last Airbender
2005
Unforgettable
Sheriff Country
2025
Search Party
2016
Relay
