According to writer Winston GroomWinston Groom, John GoodmanJohn Goodman was the perfect Forrest Gump in his mind. Bill MurrayBill Murray, John TravoltaJohn Travolta and Chevy ChaseChevy Chase turned down the role of Forrest Gump. Travolta later admitted that passing on the role was a mistake. David Alan GrierDavid Alan Grier, [?] Ice Cube and Dave ChappelleDave Chappelle turned down the role of Bubba. Chappelle thought the movie would bomb, and has since admitted to deeply regretting not taking the role. Terry GilliamTerry Gilliam and Barry SonnenfeldBarry Sonnenfeld turned down the chance to direct the film.