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Known forActing
37 credits
Acting
Brian O'Neill
Brian O'Neill is an actor and director.
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Law & Order: Special Victims Unit
1999 · ★ 7.9
Law & Order
1990 · ★ 7.3
The Blacklist
2013 · ★ 7.6
Homeland
2011 · ★ 7.6
Person of Interest
2011 · ★ 8.1
The Good Wife
2009 · ★ 7.6
Elementary
2012 · ★ 7.6
Gotham
2014 · ★ 7.6
Law & Order: Criminal Intent
2001 · ★ 7.6
The Night Agent
2023 · ★ 7.7
Blindspot
2015 · ★ 7.4
Unforgettable
2011 · ★ 7.2
FBI: Most Wanted
2020 · ★ 7.6
Avatar: The Last Airbender
2005 · ★ 8.8
Third Watch
1999 · ★ 7.9
Damages
2007 · ★ 7.5
Madam Secretary
2014 · ★ 7.0
Sheriff Country
2025 · ★ 7.3
Search Party
2016 · ★ 6.8
Law & Order: Trial by Jury
2005 · ★ 8.1
The Bourne Legacy
2012 · ★ 6.2
American Sports Story: Aaron Hernandez
2024 · ★ 7.1
Seven Seconds
2018 · ★ 7.2
Relay
2025 · ★ 6.9
Burn After Reading
2008 · ★ 6.7
Cupid
2009 · ★ 5.9
Laws of Attraction
2004 · ★ 5.8
Blood and Money
2020 · ★ 5.4
Brooklyn Rules
2007 · ★ 5.8
My Sordid Affair
2017 · ★ 1.0
Chapter 27
2007 · ★ 5.4
Frank the Bastard
2015 · ★ 2.5
The Mealybug
2024 · ★ 0.0
American Dreamin'
2019 · ★ 0.0
The Blacklight
2021 · ★ 7.0
Lillies in the Forest
2017 · ★ 6.0
Three Long Years
2003 · ★ 5.3