Brían F. O'Byrne
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.
Acting
Movie
Million Dollar Baby
as Father Horvak
2004
TV
Law & Order: Special Victims Unit
as Liam Connors
1999
Movie
Conclave
as O'Malley
2024
Movie
Before the Devil Knows You're Dead
as Bobby Lasorda
2007
TV
The Magicians
as Mayakovsky
2015
Movie
No Reservations
as Sean
2007
Movie
The International
as The Consultant
2009
Movie
The New World
as Lewes
2005
Movie
Bandits
as Darill Miller
2001
TV
The Last Ship
as Sean Ramsey
2014
Movie
Brooklyn's Finest
as Det. Ronny Rosario
2010
Movie
The Wonder
as John Flynn
2022
TV
Oz
as Padraic Connelly
1997
Movie
Bug
as Dr. Sweet
2007
TV
FlashForward
as Aaron Stark
2009
TV
Manhunt
as Frank McAlpine
2017
Movie
Sergio
as Gil Loescher
2020
Movie
Dead of Winter
as Tall Hunter
2025
TV
Mildred Pierce
as Bert Pierce
2011
Movie
Jimmy's Hall
as Commander O'Keefe
2014
TV
Nightflyers
as Auggie
2018
Movie
My Salinger Year
as Hugh
2020
TV
Aquarius
as Ken Karn
2015
Movie
The Grey Zone
as Interrogator
2001