
Brían F. O'Byrne
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










Credits
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The Dead of Winter Future★ NR
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Conclave 2024O'Malley★ 7.2
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Twig 2024Leon★ NR
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The Wonder 2022John Flynn★ 6.6
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My Salinger Year 2020Hugh★ 6.3
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Sergio 2020Gil Loescher★ 6.6
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The Bone Collector★ 7.6
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Hatton Garden 2019Basil★ 5.7
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Nightflyers 2018Auggie★ 5.8
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Manhunt 2017Frank McAlpine★ 7.6
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Little Boy Blue 2017Steve Jones★ 7.6
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The Magicians 2015Mayakovsky★ 7.6
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Saints & Strangers 2015John Billington★ 6.3
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Baron Ventris★ 5.8
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Aquarius 2015Ken Karn★ 6.5
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Queen & Country 2014RSM Digby★ 6
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Jimmy's Hall 2014Commander O'Keefe★ 6.7
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Medeas 2013Ennis★ 5.9
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Gilded Lilys 2013Edwin Lily★ NR
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Prime Suspect 2011Reg Duffy★ 6.5
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Mildred Pierce 2011Bert Pierce★ 7
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Love/Hate 2010Inpector Mick Moynihan★ 7.5
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Brooklyn's Finest 2010Det. Ronny Rosario★ 6.3
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FlashForward 2009Aaron Stark★ 7
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The International 2009The Consultant★ 6.2
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Bobby Lasorda★ 7.1
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No Reservations 2007Sean★ 6.7
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Alexander Hamilton 2007Alexander Hamilton★ 6.8
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Bug 2007Dr. Sweet★ 6.1
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Brotherhood 2006★ 6.9
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The New World 2005Lewes★ 6.5
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Million Dollar Baby 2004Father Horvak★ 8
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Larry★ 6.3
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Easy 2003Mick McCabe★ 5.7
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Intermission 2003Mick★ 6.2
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Mapmaker 2001Richie Markey★ NR
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Bandits 2001Darill Miller★ 6.3
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Disco Pigs 2001Gerry★ 5.7
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The Grey Zone 2001Interrogator★ 6.6
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An Everlasting Piece 2000George★ 5.9
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Liam Connors★ 7.9
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Amongst Women 1998Luke★ 6
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The Fifth Province 1997Timmy★ 6
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The Last Bus Home 1997Jessop★ 1
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Oz 1997Padraic Connelly★ 8
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American Experience 1988Alexander Hamilton★ 7.4
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Larry★ 8.6