From Penn’s point of view, many of the changes Norton made to his script were cosmetic, possibly because much of the film had already been storyboarded and pre-visualized, possibly because Norton was trying to position himself for an eventual credit arbitration with the Writers Guild of America. “I had him walking east down the street wearing a blue hat and now he’s walking west down the street wearing a red hat,” Penn said. “And I had named his downstairs neighbor Lorina, and he changed it to Malina or something.”
