.. We're going to have to re-cast the role of the President of Krypton in Steven Spielberg's Superman movies.. because Jack Nicholson fucked up.. - big time.... Jack Nicholson was cast in the role of the President of Krypton... a role he will no longer be able to play - at all... because Jack Nicholson cast himself in the role of Alexis Luthor's (Michael William Rosenbaum's) ... father.. instead...