
Brían F. O'Byrne
Biography
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.
Also Known As
Movie Appearances

Million Dollar Baby
as Father Horvak
2004

Bandits
as Darill Miller
2001

No Reservations
as Sean
2007

The International
as The Consultant
2009

Before the Devil Knows You're Dead
as Bobby Lasorda
2007

Brooklyn's Finest
as Det. Ronny Rosario
2010

Disco Pigs
as Gerry
2001

Bug
as Dr. Sweet
2007

An Everlasting Piece
as George
2000

Easy
as Mick McCabe
2003

Intermission
as Mick
2003

The Grey Zone
as Interrogator
2001

The New World
as Lewes
2005

Jimmy's Hall
as Commander O'Keefe
2014

Queen & Country
as RSM Digby
2015

Twig
as Leon
2024

Medeas
as Ennis
2013

Gilded Lilys
as Edwin Lily
2013

The Last Bus Home
as Jessop
1997

Alexander Hamilton
as Alexander Hamilton
2007
TV Appearances

Brotherhood
as Colin
2006

Law & Order: Special Victims Unit
as Liam Connors
1999

Oz
as Padraic Connelly
1997

Hallmark Hall of Fame
as Larry
1951

FlashForward
as Aaron Stark
2009

Mildred Pierce
as Bert Pierce
2011

Prime Suspect
as Reg Duffy
2011

Aquarius
as Ken Karn
2015

Saints & Strangers
as John Billington
2015

The Bastard Executioner
as Baron Ventris
2015

Love/Hate
as Inpector Mick Moynihan
2010

Little Boy Blue
as Steve Jones
2017