

Brían F. O'Byrne
Brían Francis O'Byrne (born 16 May 1967) is an Irish actor who works mostly in the United States. He was born in Mullagh, County Cavan. O'Byrne first attracted notice for his performances in the Martin McDonagh plays The Beauty Queen of Leenane (1996) as Pato Dooley (for which he received a Tony Award nomination for Best Featured Actor in a Play) and The Lonesome West (1997). He is known for taking on serious and dramatic roles, such as a serial killer in Frozen (1998) (for which he won a Tony Award) and a priest accused of child molestation in Doubt (2004), for which he received a Tony nomination. O'Byrne also appeared as a priest in the 2004 film Million Dollar Baby. In May 2007, O'Byrne was nominated for a Tony Award for his performance as Alexander Herzen in Tom Stoppard's 2002 trilogy The Coast of Utopia. In 2011, he was nominated for the Primetime Emmy Award for Outstanding Supporting Actor in a Miniseries or a Movie for his performance in Mildred Pierce as Bert Pierce.
Where to watch Brían F. O'Byrne’s work in
United States
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Law & Order: Special Victims Unit
1999

The Last Ship
2014

Oz
1997

American Experience
1988

The Magicians
2015

Task
2025

Manhunt
2017

FlashForward
2009

Conclave
2024

Million Dollar Baby
2004

Prisoner
2026

Love/Hate
2010

Aquarius
2015

Brotherhood
2006

Mildred Pierce
2011

Nightflyers
2018

The Abandons
2025

Lincoln Rhyme: Hunt for the Bone Collector
2020

Dead of Winter
2025

No Reservations
2007

The International
2009

Before the Devil Knows You're Dead
2007

Bandits
2001

Brooklyn's Finest
2010

The New World
2005

The Wonder
2022

The Bastard Executioner
2015

Prime Suspect
2011

The Grey Zone
2001

My Salinger Year
2020