
Acting · 58 years old
Mullagh, County Cavan, Ireland
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.

Hallmark Hall of Fame
Larry

Oz
Padraic Connelly

Million Dollar Baby
Father Horvak

Law & Order: Special Victims Unit
Liam Connors

Little Boy Blue
Steve Jones

The Magicians
Mayakovsky

Manhunt
Frank McAlpine

Lincoln Rhyme: Hunt for the Bone Collector
The Bone Collector

Love/Hate
Inpector Mick Moynihan

Conclave
O'Malley

Before the Devil Knows You're Dead
Bobby Lasorda

FlashForward
Aaron Stark

Mildred Pierce
Bert Pierce

The Last Ship
Sean Ramsey

Brotherhood
Colin

Jimmy's Hall
Commander O'Keefe

No Reservations
Sean

The Wonder
John Flynn

The Grey Zone
Interrogator

American Experience
Alexander Hamilton