Before Eckhart was cast in February 2007, Liev Schreiber, Josh Lucas, and Ryan Phillippe had expressed interest in the role, while Mark Ruffalo auditioned.
Antes de que Eckhart se unise ó elenco en febreiro de 2007, Liev Schreiber, Josh Lucas, e Ryan Phillippe expresaron o seu interese no papel, e Mark Ruffalo fixo unha audición.