Known for Acting

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.
2025
as Tall Hunter
2024
as O'Malley
2004
as Father Horvak
2009
as The Consultant
2007
as Bobby Lasorda
2001
as Darill Miller
2010
as Det. Ronny Rosario
2005
as Lewes
2007
as Sean
2020
as Gil Loescher
2003
as Mick
2001
as Interrogator
2007
as Dr. Sweet
1997
as Timmy
2022
as John Flynn
2020
as Hugh
2015
as RSM Digby
2014
as Commander O'Keefe
2003
as Mick McCabe
2001
as Gerry