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Brían F. O'Byrne
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Brían F. O'Byrne

Actor

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1967Born, Mullagh
54Credits

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…

Known for

Million Dollar BabyFather Horvak
Law & Order: Special Victims UnitLiam Connors
ConclaveO'Malley
Season of the WitchGrandmaster (uncredited)
Before the Devil Knows You're DeadBobby Lasorda

Filmography

AllMoviesShows
2025The AbandonsWalter Paxton · 7 episodesShow
2025Dead of WinterTall HunterMovie
2025TaskCharlie BoylanShow
2024ConclaveO'MalleyMovie
2024TwigLeonMovie
2022The WonderJohn FlynnMovie
2020My Salinger YearHughMovie
2020SergioGil LoescherMovie
2020Lincoln Rhyme: Hunt for the Bone CollectorThe Bone Collector · 10 episodesShow
2019Hatton GardenBasil · 4 episodesShow
2018NightflyersAuggie · 10 episodesShow
2017ManhuntFrank McAlpine · 5 episodesShow
2017Little Boy BlueSteve Jones · 4 episodesShow
2015Saints & StrangersJohn Billington · 2 episodesShow
2015The Bastard ExecutionerBaron Ventris · 1 episodeShow
2015AquariusKen Karn · 13 episodesShow
2015Queen & CountryRSM DigbyMovie
2014Jimmy's HallCommander O'KeefeMovie
2013MedeasEnnisMovie
2013Gilded LilysEdwin LilyMovie
2011Prime SuspectReg Duffy · 13 episodesShow
2011Mildred PierceBert Pierce · 5 episodesShow
2011Season of the WitchGrandmaster (uncredited)Movie
2010Love/HateInpector Mick Moynihan · 12 episodesShow
2010Brooklyn's FinestDet. Ronny RosarioMovie
2009FlashForwardAaron Stark · 22 episodesShow
2009The InternationalThe ConsultantMovie
2007Before the Devil Knows You're DeadBobby LasordaMovie
2007No ReservationsSeanMovie
2007Alexander HamiltonAlexander HamiltonMovie
2007BugDr. SweetMovie
2006BrotherhoodColin · 1 episodeShow
2005The New WorldLewesMovie
2004Million Dollar BabyFather HorvakMovie
2004The Blackwater LightshipLarryMovie
2003EasyMick McCabeMovie
2003IntermissionMickMovie
2001MapmakerRichie MarkeyMovie
2001BanditsDarill MillerMovie
2001Disco PigsGerryMovie
2001The Grey ZoneInterrogatorMovie
2000An Everlasting PieceGeorgeMovie
1998Amongst WomenLuke · 4 episodesShow
1997The Fifth ProvinceTimmyMovie
1997The Last Bus HomeJessopMovie
1997OzPadraic Connelly · 1 episodeShow
1993Avenue XSonnyMovie
1988American ExperienceAlexander Hamilton · 1 episodeShow
1951Hallmark Hall of FameLarry · 1 episodeShow

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