Brían F. O'Byrne
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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
Credits
Dead of Winter (2025)
as Tall Hunter
Conclave (2024)
as O'Malley
Million Dollar Baby (2004)
as Father Horvak
The International (2009)
as The Consultant
The New World (2005)
as Lewes
No Reservations (2007)
as Sean
Bandits (2001)
as Darill Miller
Bug (2007)
as Dr. Sweet
Before the Devil Knows You're Dead (2007)
as Bobby Lasorda
Brooklyn's Finest (2010)
as Det. Ronny Rosario
The Grey Zone (2001)
as Interrogator
The Wonder (2022)
as John Flynn
Avenue X (1993)
as Sonny
Sergio (2020)
as Gil Loescher
The Blackwater Lightship (2004)
as Larry
My Salinger Year (2020)
as Hugh
Queen & Country (2015)
as RSM Digby
Seahorse (—)
as George
Intermission (2003)
as Mick
An Everlasting Piece (2000)
as George
Mapmaker (2001)
as Richie Markey
Jimmy's Hall (2014)
as Commander O'Keefe
Easy (2003)
as Mick McCabe
One Sweet Hour (—)
as Colum Byrne
Disco Pigs (2001)
as Gerry
Medeas (2013)
as Ennis
Gilded Lilys (2013)
as Edwin Lily
The Last Bus Home (1997)
as Jessop
Alexander Hamilton (2007)
as Alexander Hamilton
The Fifth Province (1997)
as Timmy
Twig (2024)
as Leon