Brían F. O'Byrne
ActingTotal Credits
53
Acting
53
First Credit
1951
Latest Credit
2026

Oz
Padraic Connelly
1997

Million Dollar Baby
Father Horvak
2004

Law & Order: Special Victims Unit
Liam Connors
1999

Little Boy Blue
Steve Jones
2017

The Magicians
Mayakovsky
2015

Manhunt
Frank McAlpine
2017

Lincoln Rhyme: Hunt for the Bone Collector
The Bone Collector
2020

Love/Hate
Inpector Mick Moynihan
2010

Conclave
O'Malley
2024

Before the Devil Knows You're Dead
Bobby Lasorda
2007

Mildred Pierce
Bert Pierce
2011

FlashForward
Aaron Stark
2009

The Last Ship
Sean Ramsey
2014

Brotherhood
Colin
2006

Jimmy's Hall
Commander O'Keefe
2014

No Reservations
Sean
2007

The Wonder
John Flynn
2022

The Grey Zone
Interrogator
2001

Sergio
Gil Loescher
2020

Aquarius
Ken Karn
2015

The New World
Lewes
2005

American Experience
Alexander Hamilton
1988

Saints & Strangers
John Billington
2015

Dead of Winter
Tall Hunter
2025

My Salinger Year
Hugh
2020

Brooklyn's Finest
Det. Ronny Rosario
2010

Prime Suspect
Reg Duffy
2011

Bandits
Darill Miller
2001

The International
The Consultant
2009

Intermission
Mick
2003

The Blackwater Lightship
Larry
2004

Bug
Dr. Sweet
2007

Queen & Country
RSM Digby
2015

Hatton Garden
Basil
2019

An Everlasting Piece
George
2000

Easy
Mick McCabe
2003

The Abandons
Walter Paxton
2025

The Bastard Executioner
Baron Ventris
2015

Medeas
Ennis
2013

Disco Pigs
Gerry
2001

Nightflyers
Auggie
2018

Prisoner
Harrison Dempsey
2026

Mapmaker
Richie Markey
2001

Hallmark Hall of Fame
Larry
1951

Gilded Lilys
Edwin Lily
2013

Avenue X
Sonny
1993

Amongst Women
Luke
1998

The Fifth Province
Timmy
1997

Alexander Hamilton
Alexander Hamilton
2007

The Last Bus Home
Jessop
1997
MovieTwig
Leon
2024
MovieOne Sweet Hour
Colum Byrne
Seahorse
George