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...
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Million Dollar Baby
As Father Horvak
Bandits
As Darill Miller
No Reservations
As Sean
The International
As The Consultant
Before the Devil Knows You're Dead
As Bobby Lasorda
Brooklyn's Finest
As Det. Ronny Rosario
Disco Pigs
As Gerry
Bug
As Dr. Sweet
An Everlasting Piece
As George
Easy
As Mick McCabe
Intermission
As Mick
The Grey Zone
As Interrogator
The New World
As Lewes
Jimmy's Hall
As Commander O'Keefe
Queen & Country
As RSM Digby
Twig
As Leon
Medeas
As Ennis
Gilded Lilys
As Edwin Lily
The Last Bus Home
As Jessop
Alexander Hamilton
As Alexander Hamilton
Mapmaker
As Richie Markey
Sergio
As Gil Loescher
My Salinger Year
As Hugh
The Fifth Province
As Timmy
The Wonder
As John Flynn
The Blackwater Lightship
As Larry
Conclave
As O'Malley
Brotherhood
Law & Order: Special Victims Unit
As Liam Connors
Oz
As Padraic Connelly
Hallmark Hall of Fame
As Larry
FlashForward
As Aaron Stark
Mildred Pierce
As Bert Pierce
Prime Suspect
As Reg Duffy
Aquarius
As Ken Karn
Saints & Strangers
As John Billington
The Bastard Executioner
As Baron Ventris
Love/Hate
As Inpector Mick Moynihan
Little Boy Blue
As Steve Jones
The Magicians
As Mayakovsky
Nightflyers
As Auggie
Amongst Women
As Luke
Hatton Garden
As Basil
Manhunt
As Frank McAlpine
Lincoln Rhyme: Hunt for the Bone Collector
As The Bone Collector
American Experience
As Alexander Hamilton