Brían F. O'Byrne

Brían F. O'Byrne

b. 1967 (age 59) Mullagh - County Cavan - Ireland
Actor

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

Filmography

Dead of Winter
🎞️
★ 6.1
Dead of Winter
2025 Actor
Tall Hunter
The Abandons
📺
★ 6.4
The Abandons
2025 Actor
Walter Paxton
🎬
🎞️
Seahorse
2025 Actor
George
Conclave
🎞️
★ 7.4
Conclave
2024 Actor
O'Malley
TWIG
🎞️
★ 6.4
TWIG
2024 Actor
Leon
Three Women
📺
★ 6.8
Three Women
2023 Actor
Mark Wilkin
Sergio
🎞️
★ 6.2
Sergio
2020 Actor
Gil Loescher
My Salinger Year
🎞️
★ 6.5
My Salinger Year
2020 Actor
Hugh
Lincoln Rhyme: Hunt for the Bone Collector
📺
★ 6.8
Lincoln Rhyme: Hunt for the Bone Collector
2020 Actor
The Bone Collector
Hatton Garden
📺
★ 7.2
Hatton Garden
2019 Actor
Basil
Nightflyers
📺
★ 5.9
Nightflyers
2018 Actor
Auggie
Little Boy Blue
📺
★ 7.8
Little Boy Blue
2017 Actor
Steve Jones
Aquarius
📺
★ 7.1
Aquarius
2015 Actor
Ken Karn
Saints & Strangers
📺
★ 7.0
Saints & Strangers
2015 Actor
John Billington, Sr.
Exposed
🎞️
★ 5.9
Exposed
2015 Actor
Quigg
Queen & Country
🎞️
★ 6.2
Queen & Country
2014 Actor
RSM Digby
Medeas
🎞️
★ 5.8
Medeas
2013 Actor
Ennis
Mildred Pierce
📺
★ 7.6
Mildred Pierce
2011 Actor
Bert Pierce
Prime Suspect
📺
★ 7.3
Prime Suspect
2011 Actor
Detective Reg Duffy
The International
🎞️
★ 6.5
The International
2009 Actor
The Consultant
Brooklyn's Finest
🎞️
★ 6.7
Brooklyn's Finest
2009 Actor
Ronny Rosario
Flashforward
📺
★ 7.6
Flashforward
2009 Actor
Aaron Stark
Before the Devil Knows You're Dead
🎞️
★ 7.3
Before the Devil Knows You're Dead
2007 Actor
Bobby
No Reservations
🎞️
★ 6.4
No Reservations
2007 Actor
Sean
Bug
🎞️
★ 6.1
Bug
2006 Actor
Dr. Sweet
🎬
🎞️
★ 8.5
In an Instant
2005 Actor
The Man
Million Dollar Baby
🎞️
★ 8.1
Million Dollar Baby
2004 Actor
Father Horvak
Intermission
🎞️
★ 6.8
Intermission
2003 Actor
Mick
Easy
🎞️
★ 5.7
Easy
2003 Actor
Mick McCabe
Bandits
🎞️
★ 6.5
Bandits
2001 Actor
Darill Miller
Disco Pigs
🎞️
★ 6.5
Disco Pigs
2001 Actor
Runt's Dad
Mapmaker
🎞️
★ 5.9
Mapmaker
2001 Actor
Richie Markey
An Everlasting Piece
🎞️
★ 6.2
An Everlasting Piece
2000 Actor
George
Amongst Women
📺
★ 7.6
Amongst Women
1998 Actor
Luke
The Last Bus Home
🎞️
★ 5.9
The Last Bus Home
1997 Actor
Jessop
The Fifth Province
🎞️
★ 6.2
The Fifth Province
1997 Actor
Timmy
🎬
🎞️
★ 7.9
Electricity
1997 Actor
Graham Crouch
🎬
🎞️
★ 6.9
Avenue X
1994 Actor
Sonny
🎬
🎞️
One Sweet Hour
Actor
Colum Byrne