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Personal Info

Known For

Acting

Known Credits

48

Gender

Male

Birthday

1967-05-16 (58 years old)

Place of Birth

Mullagh, County Cavan, Ireland

Also Known As

Brían Flynn O'Byrne

Brian O'Byrne

Brían O'Byrne

Brían F. O'Byrne

Biography

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.

Known For

Acting

Million Dollar Baby

2004

Million Dollar Baby

as

Father Horvak

Bandits

2001

Bandits

as

Darill Miller

No Reservations

2007

No Reservations

as

Sean

The International

2009

The International

as

The Consultant

Brooklyn's Finest

2010

Brooklyn's Finest

as

Det. Ronny Rosario

Disco Pigs

2001

Disco Pigs

as

Gerry

Bug

2007

Bug

as

Dr. Sweet

Easy

2003

Easy

as

Mick McCabe

Intermission

2003

Intermission

as

Mick

The Grey Zone

2001

The Grey Zone

as

Interrogator

The New World

2005

The New World

as

Lewes

Jimmy's Hall

2014

Jimmy's Hall

as

Commander O'Keefe

Queen & Country

2014

Queen & Country

as

RSM Digby

Twig

2024

Twig

as

Leon

Medeas

2013

Medeas

as

Ennis

Gilded Lilys

2013

Gilded Lilys

as

Edwin Lily

The Last Bus Home

1997

The Last Bus Home

as

Jessop

Alexander Hamilton

2007

Alexander Hamilton

as

Alexander Hamilton

Mapmaker

2001

Mapmaker

as

Richie Markey

Sergio

2020

Sergio

as

Gil Loescher

The Wonder

2022

The Wonder

as

John Flynn

Conclave

2024

Conclave

as

O'Malley

Dead of Winter

2025

Dead of Winter

as

Tall Hunter

Oz

Oz

as

Padraic Connelly

FlashForward

FlashForward

as

Aaron Stark

Mildred Pierce

Mildred Pierce

as

Bert Pierce

Prime Suspect

Prime Suspect

as

Reg Duffy

Aquarius

Aquarius

as

Ken Karn

Saints & Strangers

Saints & Strangers

as

John Billington

Love/Hate

Love/Hate

as

Inpector Mick Moynihan

Little Boy Blue

Little Boy Blue

as

Steve Jones

The Magicians

The Magicians

as

Mayakovsky

Nightflyers

Nightflyers

as

Auggie

Manhunt

Manhunt

as

Frank McAlpine

American Experience

American Experience

as

Alexander Hamilton

The Last Ship

The Last Ship

as

Sean Ramsey

Production

Crew

Directing