Sean O'Bryan is an American actor best known for his starring role as Bill Blackham, a slick opportunistic whose first priority is himself, in the mystery drama television series Persons Unknown, in 2010.
O'Bryan's film credits include Yes Man with Jim Carrey; Vantage Point with Dennis Quaid and Forest Whitaker; Deck the Halls with Danny DeVito and Matthew Broderick; The Princess Diaries and The Princess Diaries 2: Royal Engagement with Anne Hathaway and Julie Andrews; Raising Helen with Kate Hudson; Phenomenon with John Travolta; and Chaplin with Robert Downey, Jr., among others.
His television work includes a recurring role on Six Feet Under, as well as a series regular role on Brother's Keeper.
Other television credits include Private Practice, Criminal Minds, NCIS, Cold Case, Roswell, Felicity, Beverly Hills, 90210 and Married... with Children, among many others.
On stage, O'Bryan has appeared in two critically acclaimed Terrence McNally plays in Los Angeles: It's Only a Play at the Ahmanson Theatre, and The Libson Traviata at the Mark Taper Forum.
Other theatre credits include Picnic, Measure for Measure, The Glass Menagerie and Crimes of the Heart.
O'Bryan lives in Los Angeles with his wife Samantha and their two daughters.