Timothy Blake Nelson (born May 11, 1964) is an American actor and scriptwriter. Described as a "modern character actor", his roles include Delmar O'Donnell in O Brother, Where Art Thou? (2000), Gideon in Minority Report (2002), Doctor Steve Pendanski in Holes (2003), Doctor Jonathan Jacobo in Scooby-Doo 2: Monsters Unleashed (2004), Danny Dalton Jr. in Syriana (2005), Samuel Sterns / The Leader in the Marvel Cinematic Universe, Richard Schell in Lincoln (2012), the titular character of The Ballad of Buster Scruggs (2018) and Henry McCarty in Old Henry (2021).
https://en.wikipedia.org/wiki/Tim_Blake_Nelson