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.
29 movies · 22 shows
Dead of Winter
2025·6.4
Conclave
2024·7.2
Twig
2024·0.0
The Wonder
2022·6.6
My Salinger Year
2020·6.3
Sergio
2020·6.6
Queen & Country
2015·6.1
Jimmy's Hall
2014·6.7
Medeas
2013·5.7
Gilded Lilys
2013·8.0
Brooklyn's Finest
2010·6.3
The International
2009·6.3
Before the Devil Knows You're Dead
2007·7.1
No Reservations
2007·6.7
Alexander Hamilton
2007·5.6
Bug
2007·6.1
The New World
2005·6.5
Million Dollar Baby
2004·8.0
The Blackwater Lightship
2004·6.1
Easy
2003·5.8
Intermission
2003·6.2
Mapmaker
2001·9.0
Bandits
2001·6.3
Disco Pigs
2001·5.7
The Grey Zone
2001·6.6
An Everlasting Piece
2000·5.9
The Fifth Province
1997·6.0
The Last Bus Home
1997·3.0
Avenue X
1993·8.0