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.
as George
as Colum Byrne
as Harrison Dempsey(6 eps)
as Walter Paxton(7 eps)
as Tall Hunter
as Charlie Boylan
as O'Malley
as Leon
as John Flynn
as Hugh
as Gil Loescher
as The Bone Collector(10 eps)
as Basil(4 eps)
as Auggie(10 eps)
as Frank McAlpine(5 eps)
as Steve Jones(4 eps)
as Mayakovsky(3 eps)
as John Billington(2 eps)
as Baron Ventris(1 ep)
as Ken Karn(13 eps)
as RSM Digby
as Sean Ramsey(8 eps)
as Commander O'Keefe
as Ennis
as Edwin Lily
as Reg Duffy(13 eps)
as Bert Pierce(5 eps)
as Grandmaster (uncredited)
as Inpector Mick Moynihan(12 eps)
as Det. Ronny Rosario
as Aaron Stark(22 eps)
as The Consultant
as Bobby Lasorda
as Sean
as Alexander Hamilton
as Dr. Sweet
as Colin(1 ep)
as Lewes
as Father Horvak
as Larry
as Mick McCabe
as Mick
as Richie Markey
as Darill Miller
as Gerry
as Interrogator
as George
as Liam Connors(1 ep)
as Luke(4 eps)
as Timmy
as Jessop
as Padraic Connelly(1 ep)
as Sonny
as Alexander Hamilton(1 ep)
as Larry(1 ep)