This undated publicity film image released by IFC Films/Sundance Selects shows Sam Riley, left, as Sal Paradise/Jack Kerouac and Garrett Hedlund, right, as Dean Moriarity/Neal Cassady in a scene from the film, "On the Road," directed by Walter Salles. (AP Photo/IFC Films/Sundance Selects, Gregory Smith)

Associated Press
This undated publicity film image released by IFC Films/Sundance Selects shows Sam Riley, left, as Sal Paradise/Jack Kerouac and Garrett Hedlund, right, as Dean Moriarity/Neal Cassady in a scene from the film, "On the Road," directed by Walter Salles. (AP Photo/IFC Films/Sundance Selects, Gregory Smith)
This undated publicity film image released by IFC Films/Sundance Selects shows Sam Riley, left, as Sal Paradise/Jack Kerouac and Garrett Hedlund, right, as Dean Moriarity/Neal Cassady in a scene from the film, "On the Road," directed by Walter Salles. (AP Photo/IFC Films/Sundance Selects, Gregory Smith)