Movies
TV Shows
Actors
Brían F. O'Byrne
May 16, 1967 (59 years old) in Mullagh, County Cavan, Ireland
Known For
Law & Order: Special Victims Unit
The Last Ship
American Experience
Oz
The Magicians
Credits
2026 ·
Prisoner
as Harrison Dempsey
2025 ·
The Abandons
as Walter Paxton
2025 ·
Dead of Winter
as Tall Hunter
2024 ·
Conclave
as O'Malley
2024 ·
Twig
as Leon
2022 ·
The Wonder
as John Flynn
2020 ·
My Salinger Year
as Hugh
2020 ·
Sergio
as Gil Loescher
2020 ·
Lincoln Rhyme: Hunt for the Bone Collector
as The Bone Collector
2019 ·
Hatton Garden
as Basil
2018 ·
Nightflyers
as Auggie
2017 ·
Manhunt
as Frank McAlpine
2017 ·
Little Boy Blue
as Steve Jones
2015 ·
The Magicians
as Mayakovsky
2015 ·
Saints & Strangers
as John Billington
2015 ·
The Bastard Executioner
as Baron Ventris
2015 ·
Aquarius
as Ken Karn
2015 ·
Queen & Country
as RSM Digby
2014 ·
The Last Ship
as Sean Ramsey
2014 ·
Jimmy's Hall
as Commander O'Keefe
2013 ·
Medeas
as Ennis
2013 ·
Gilded Lilys
as Edwin Lily
2011 ·
Prime Suspect
as Reg Duffy
2011 ·
Mildred Pierce
as Bert Pierce
2010 ·
Love/Hate
as Inpector Mick Moynihan
2010 ·
Brooklyn's Finest
as Det. Ronny Rosario
2009 ·
FlashForward
as Aaron Stark
2009 ·
The International
as The Consultant
2007 ·
Before the Devil Knows You're Dead
as Bobby Lasorda
2007 ·
No Reservations
as Sean
2007 ·
Alexander Hamilton
as Alexander Hamilton
2007 ·
Bug
as Dr. Sweet
2006 ·
Brotherhood
as Colin
2005 ·
The New World
as Lewes
2004 ·
Million Dollar Baby
as Father Horvak
2004 ·
The Blackwater Lightship
as Larry
2003 ·
Easy
as Mick McCabe
2003 ·
Intermission
as Mick
2001 ·
Mapmaker
as Richie Markey
2001 ·
Bandits
as Darill Miller
2001 ·
Disco Pigs
as Gerry
2001 ·
The Grey Zone
as Interrogator
2000 ·
An Everlasting Piece
as George
1999 ·
Law & Order: Special Victims Unit
as Liam Connors
1998 ·
Amongst Women
as Luke
1997 ·
The Fifth Province
as Timmy
1997 ·
The Last Bus Home
as Jessop
1997 ·
Oz
as Padraic Connelly
1993 ·
Avenue X
as Sonny
1988 ·
American Experience
as Alexander Hamilton
1951 ·
Hallmark Hall of Fame
as Larry
2026 ·
One Sweet Hour
as Colum Byrne
2026 ·
Seahorse
as George
