Brían F. O'Byrne
Actor
Born May 16, 1967 · Mullagh, County Cavan, Ireland
Active 1988–present · Awards: Tony Award for Best Featured Actor in a Play, Drama Desk Award for Outstanding Actor in a Play, Lucille Lortel Award for Outstanding Lead Actor
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.
Filmography
Task (2025) — Charlie BoylanPrisoner (2026) — Harrison DempseyDead of Winter (2025) — Tall HunterThe Abandons (2025) — Walter PaxtonOne Sweet Hour — Colum ByrneMillion Dollar Baby (2004) — Father HorvakLaw & Order: Special Victims Unit (1999) — Liam ConnorsConclave (2024) — O'MalleyThe Magicians (2015) — MayakovskyOz (1997) — Padraic ConnellyBefore the Devil Knows You're Dead (2007) — Bobby LasordaNo Reservations (2007) — SeanManhunt (2017) — Frank McAlpineThe Last Ship (2014) — Sean RamseyThe New World (2005) — LewesThe International (2009) — The ConsultantThe Wonder (2022) — John FlynnFlashForward (2009) — Aaron StarkBandits (2001) — Darill MillerSeason of the Witch (2011) — Grandmaster (uncredited)Brooklyn's Finest (2010) — Det. Ronny RosarioBug (2007) — Dr. SweetMildred Pierce (2011) — Bert PierceSergio (2020) — Gil Loescher