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. 브라이언 F. 오번(1967년생, Mullagh, County Cavan, Ireland) 는 배우로, 대표작으로 인터내셔널, 밴디츠, 마이 뉴욕 다이어리가 있으며, 그 외에도 로 앤 오더: 성범죄전담반, 라스트 쉽, 오즈, American Experience, 더 매지션스, 태스크, 맨헌트, 플래시 포워드, Prisoner, 밀리언 달러 베이비, 콘클라베, 브룩클린스 파이니스트 등 다양한 작품에 출연했다. 특히 2026년에는 Prisoner에도 참여해서 활동중이다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 One Sweet Hour에서 Colum Byrne 역을 맡았다. 2026년 Prisoner에서 Harrison Dempsey 역을 맡았다. 2025년 버려진 자들에서 Walter Paxton 역을 맡았다.