Brían F. O'Byrne

Personal Info

Known For

Acting

Born

1967-05-16

Place of Birth

Mullagh, County Cavan, Ireland

Brían F. O'Byrne

Biography

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.

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Acting History

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