Brían Francis O'Byrne (born 16 May 1967) is an Irish actor who works and lives in the United States.
O'Byrne received five Tony Award nominations and won Best Featured Actor in a Play for his performance in the 2004 production of Frozen.
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.
[3] In 2012, O'Byrne was cast in the ABC drama pilot Gilded Lilys created and produced by Shonda Rhimes.
O'Byrne was married to American actress Heather Goldenhersh, with whom he co-starred in the Broadway play Doubt: A Parable as well as Three Women.