Star Wars Episode III: Revenge of the Sith could see John Rhys-Davies, who played Gimli in the Lord of the Rings trilogy, play the part Gary Oldman turned down for its infringement of acting union rules. Rhys-Davies told a sci-fi convention that he was about to start work on a "Grievous new role" - a possible reference to the part of General Grievous a half-alien, half-robot villain. He has already worked for George Lucas in the Indiana Jones series. [More]