Tim Blake Nelson is an American director, writer, singer and actor best known for his starring role as Delmar O'Donnell, an escaped convict chained to two others who goes on a quest for a rumoured stash of treasure, in the Coen brothers' film O Brother, Where Art Thou?, in 2000.
According to directors Joel and Ethan Coen, he was the only one in the cast or crew who had read Homer's Odyssey, a work upon which the film is loosely based. He sings "In the Jailhouse Now" on the soundtrack, for which he received a Grammy (Album of the Year).
On television, he had a starring role as gold rush prospector Joe Meeker, whose steady ways prove to be just what Bill needs when the Klondike seems hell-bent on destroying him, in the period drama miniseries Klondike.
Nelson has had roles in other notable films such as Donnie Brasco, Minority Report, The Thin Red Line and Lincoln. He has appeared on stage in New York and directed film versions of his plays The Grey Zone and Eye of God, as well as writing and directing two original screenplays.
He is also the director of O, based on William Shakespeare's play Othello, set in a modern-day high school.