
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.

as Padraic Connelly

as Liam Connors
1999

as Alexander Hamilton
1988

as Padraic Connelly
1997

as Sean Ramsey
2014

as Mayakovsky
2015

as Harrison Dempsey
2026

as Walter Paxton
2025

as Aaron Stark
2009

as Frank McAlpine
2017

as Colin
2006

as O'Malley
2024

as Father Horvak
2004
as Leon
2024

as Tall Hunter
2025

as O'Malley
2024

as Leon
2024

as John Flynn
2022

as Hugh
2020

as Gil Loescher
2020

as RSM Digby
2015

as Commander O'Keefe
2014

as Ennis
2013

as Edwin Lily
2013

as Det. Ronny Rosario
2010

as The Consultant
2009

as Bobby Lasorda
2007

as Sean
2007

as Alexander Hamilton
2007

as Dr. Sweet
2007

as Lewes
2005

as Father Horvak
2004

as Larry
2004

as Mick McCabe
2003

as Mick
2003

as Richie Markey
2001

as Darill Miller
2001

as Gerry
2001
as Padraic Connelly
1 ep.

as Liam Connors
1 episodes

as Alexander Hamilton
1 episodes

as Padraic Connelly
1 episodes

as Sean Ramsey
8 episodes

as Mayakovsky
3 episodes

as Harrison Dempsey
6 episodes

as Walter Paxton
7 episodes

as Aaron Stark
22 episodes

as Frank McAlpine
8 episodes

as Colin
1 episodes

as Inpector Mick Moynihan
12 episodes

as The Bone Collector
10 episodes

as Ken Karn
13 episodes

as Bert Pierce
5 episodes

as Baron Ventris
1 episodes

as Auggie
10 episodes

as Larry
1 episodes

as Reg Duffy
13 episodes

as Steve Jones
4 episodes

as Basil
4 episodes

as John Billington
2 episodes

as Luke
4 episodes