
Acting
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.
Known for
Full filmography

The Magicians
2015
DRAMA
American Experience
1988
DOCUMENTARY
The Last Ship
2014
ACTION
Oz
1997
CRIME
FlashForward
2009
SCI-FI
Manhunt
2017
CRIME
Task
2025
CRIME
Million Dollar Baby
2004
DRAMA
Conclave
2024
DRAMA
Brotherhood
2006
CRIME
Love/Hate
2010
CRIME
Aquarius
2015
DRAMA
Prisoner
2026
CRIME
Mildred Pierce
2011
DRAMA
The Abandons
2025
DRAMA
Lincoln Rhyme: Hunt for the Bone Collector
2020
CRIME
Nightflyers
2018
SCI-FI
Dead of Winter
2025
THRILLER
Prime Suspect
2011
DRAMA
The Bastard Executioner
2015
DRAMA
Before the Devil Knows You're Dead
2007
CRIME
Season of the Witch
2011
ADVENTURE
The International
2009
ACTION
The Wonder
2022
DRAMA
The New World
2005
DRAMA
No Reservations
2007
COMEDY
Brooklyn's Finest
2010
CRIME
Bandits
2001
COMEDY
Little Boy Blue
2017
CRIME
Bug
2007
DRAMA