Brían F. O'Byrne
Born
May 16, 1967 (58 years old)
Known For
Acting
Place of Birth
Mullagh, County Cavan, Ireland
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.
Known For
The Dead of Winter
2025
Conclave
O'Malley
2024
Twig
Leon
2024
The Wonder
John Flynn
2022
My Salinger Year
Hugh
2020
Sergio
Gil Loescher
2020
Lincoln Rhyme: Hunt for the Bone Collector
The Bone Collector · (10 episodes)
2020
Hatton Garden
Basil · (4 episodes)
2019
Nightflyers
Auggie · (10 episodes)
2018
Manhunt
Frank McAlpine · (8 episodes)
2017
Little Boy Blue
Steve Jones · (4 episodes)
2017
The Magicians
Mayakovsky · (3 episodes)
2015
Saints & Strangers
John Billington · (2 episodes)
2015
The Bastard Executioner
Baron Ventris · (1 episode)
2015
Aquarius
Ken Karn · (13 episodes)
2015
Queen & Country
RSM Digby
2014
Jimmy's Hall
Commander O'Keefe
2014
Medeas
Ennis
2013
Gilded Lilys
Edwin Lily
2013
Prime Suspect
Reg Duffy · (13 episodes)
2011
Mildred Pierce
Bert Pierce · (5 episodes)
2011
Love/Hate
Inpector Mick Moynihan · (12 episodes)
2010
Brooklyn's Finest
Det. Ronny Rosario
2010
FlashForward
Aaron Stark · (22 episodes)
2009
The International
The Consultant
2009
Before the Devil Knows You're Dead
Bobby Lasorda
2007
No Reservations
Sean
2007
Alexander Hamilton
Alexander Hamilton
2007
Bug
Dr. Sweet
2007
Brotherhood
(1 episode)
2006
The New World
Lewes
2005
Million Dollar Baby
Father Horvak
2004
The Blackwater Lightship
Larry
2004
Easy
Mick McCabe
2003
Intermission
Mick
2003
Mapmaker
Richie Markey
2001
Bandits
Darill Miller
2001
Disco Pigs
Gerry
2001
The Grey Zone
Interrogator
2001
An Everlasting Piece
George
2000
Law & Order: Special Victims Unit
Liam Connors · (1 episode)
1999
Amongst Women
Luke · (4 episodes)
1998
The Fifth Province
Timmy
1997
The Last Bus Home
Jessop
1997
Oz
Padraic Connelly · (1 episode)
1997
American Experience
Alexander Hamilton · (1 episode)
1988
Hallmark Hall of Fame
Larry · (1 episode)
1951