Ian McDiarmid “thought [he’d] gone too much too far” during his Palpatine vs Mace Windu duel in ‘Star Wars: Episode III - Revenge of the Sith’.
The 80-year-old actor - who has portrayed Emperor Palpatine in the sci-fi saga since 1983’s ‘Return of the Jedi’ - battled Jedi master Mace Windu (Samuel L. Jackson) during director George Lucas’ 2005 prequel blockbuster, though has now admitted he thought he had overdone it during the fight.