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Brian O'Neill
Acting
Brian O'Neill is an actor and director.
Known For
8.8
TV
Avatar: The Last Airbender
2005
8.1
TV
Law & Order: Trial by Jury
2005
8.1
TV
Person of Interest
2011
7.9
TV
Third Watch
1999
7.9
TV
Law & Order: Special Victims Unit
1999
7.6
TV
Elementary
2012
7.6
TV
The Blacklist
2013
7.6
TV
The Good Wife
2009
7.6
TV
FBI: Most Wanted
2020
7.6
TV
Gotham
2014
Filmography
35 credits
All (39)
Movies (13)
TV (26)
7.3
TV
Sheriff Country
2025
7.0
Relay
2025
N/A
The Mealybug
2024
7.0
TV
American Sports Story
2024
6.7
The Blacklight
2021
5.4
Blood and Money
2020
7.6
TV
FBI: Most Wanted
2020
N/A
American Dreamin'
2019
7.3
TV
Seven Seconds
2018
6.0
Lillies in the Forest
2017
1.0
TV
My Sordid Affair
2017
6.8
TV
Search Party
2016
7.4
TV
Blindspot
2015
7.6
TV
Gotham
2014
7.0
TV
Madam Secretary
2014
7.6
TV
The Blacklist
2013
7.6
TV
Elementary
2012
6.2
The Bourne Legacy
2012
7.6
TV
Homeland
2011
8.1
TV
Person of Interest
2011
7.2
TV
Unforgettable
2011
7.6
TV
The Good Wife
2009
5.9
TV
Cupid
2009
6.7
Burn After Reading
2008
7.4
TV
Damages
2007
5.8
Brooklyn Rules
2007
5.4
Chapter 27
2007
8.1
TV
Law & Order: Trial by Jury
2005
8.8
TV
Avatar: The Last Airbender
2005
5.8
Laws of Attraction
2004
4.5
Three Long Years
2003
7.6
TV
Law & Order: Criminal Intent
2001
7.9
TV
Third Watch
1999
7.9
TV
Law & Order: Special Victims Unit
1999
7.3
TV
Law & Order
1990
