Timothy Blake Nelson is an American actor and playwright. Described as a "modern character actor", his roles include Delmar O'Donnell in O Brother, Where Art Thou?, Gideon in Minority Report, Dr. Pendanski in Holes, Dr. Jonathan Jacobo in Scooby-Doo 2: Monsters Unleashed, Danny Dalton Jr. in Syriana, Samuel Sterns in the Marvel Cinematic Universe, Richard Schell in Lincoln, the... Wikipedia