Tony® Award-winning Irish actor BRIAN F. O'BYRNE is as comfortable in front of the camera as he is on the stage. Most recently, O'Byrne appeared as the neighbor and suitor of Catherine Zeta Jones' character in this summer's No Reservations. He also appears alongside Philip Seymour Hoffman and Ethan Hawke in Sidney Lumet's Before The Devil Knows You're Dead. Past film credits include the motion picture adaptation of the off-Broadway hit Bug, the 2004 Oscar®-winning film Million Dollar Baby, Bandits, An Everlasting Piece, The Grey Zone and The New World, among others.

On television, O'Byrne recently starred as the title character in the docu-drama Alexander Hamilton, part of PBS' award-winning American Experience series. He has also appeared in Oz and Law & Order: SVU.

Over the past decade, O'Byrne has earned five Tony® nominations for his Broadway performances: most recently in The Coast Of Utopia, as well as The Lonesome West, The Beauty Queen Of Leenane and Doubt. He won the Tony® Award for his portrayal of a murderous pedophile in Frozen. He also received his fourth consecutive Drama Desk Award nomination for The Coast Of Utopia, in which he starred opposite Ethan Hawke and Billy Crudup. His other awards include the Outer Critics Circle Award (Doubt), Drama Desk Award (Doubt), Obie Award (Frozen) and Lucille Lortel Award (Frozen). Prior to Utopia, O'Byrne starred opposite Oliver Platt in Shining City, directed by Robert Falls.