Brían F. O'Byrne

Birthday

1967-05-16

Place of Birth

Mullagh, County Cavan, Ireland

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.
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All Movies List

Prisoner

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2026 6.6
Prisoner

as Harrison Dempsey

2026
Conclave

Conclave

2025 7.4
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as O'Malley

2025
Twig

Twig

2024 6.3
Twig

as Leon

2024
Sergio

Sergio

2020 6.2
Sergio

as Gil Loescher

2020
Aquarius

Aquarius

2015 7
Aquarius

as Ken Karn

2015
Jimmy's Hall

Jimmy's Hall

2014 6.7
Jimmy's Hall

as Commander O'Keefe

2014
Love/Hate

Love/Hate

2010 8.4
Love/Hate

as Inpector Mick Moynihan

2010
Bug

Bug

2007 6.1
Bug

as Dr. Sweet

2007