Biography
Brian O'Neill is an actor and director.
Acting · 36
Sheriff Country
2025
Relay
2025
The Mealybug
2024
The Night Agent
2023
The Blacklight
2021
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
Unforgettable
2011
The Good Wife
2009
Cupid
2009
Damages
2007
Brooklyn Rules
2007
Chapter 27
2007
Three Long Years
2003
Third Watch
1999
Law & Order
1990
Directing · 1
Production · 1
