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Brian O'Neill

Acting

Biography

Brian O'Neill is an actor and director.

Filmography34 titles

Avatar: The Last Airbender

2005as Gansu (voice)

Person of Interest

2011as Judge Peterson

Law & Order: Trial by Jury

2005as Zack Martel

Law & Order: Special Victims Unit

1999as Chief Sullivan

Third Watch

1999as Father O'Roarke

The Night Agent

2023as Andre Kimbal

FBI: Most Wanted

2020as Donald Jennings

Gotham

2014as Robert Hastings

The Blacklist

2013as Gen. Warren Ames

Elementary

2012as Kemper Family Attorney

Homeland

2011as Director Stendig

The Good Wife

2009as Judge Earl Hovick

Law & Order: Criminal Intent

2001as Robert Kelly

Damages

2007as Lester Donohue

Blindspot

2015as Coach Jones

Sheriff Country

2025as Kurt

Law & Order

1990as Russell Woods

Seven Seconds

2018as Judge Robert P. Dolan

Unforgettable

2011as Frank Harbert

American Sports Story

2024as President Bernie Machen

Relay

2024as USPS Clerk - Terry

Madam Secretary

2014as Navy Admiral

Search Party

2016as Mick

Burn After Reading

2008as Hal

The Bourne Legacy

2012as Landy Reporter

The Blacklight

2021as Benny

Lillies in the Forest

2017Director

Cupid

2009as Supervisor

Brooklyn Rules

2007as Priest

Laws of Attraction

2004as Limo Driver

Blood and Money

2020Executive Producer

Chapter 27

2007as Patrick

Three Long Years

2003as Folk Singer

My Sordid Affair

as Noah Parker