Ian McDiarmid was born on 01 Aug 1944 in Carnoustie, Tayside, Scotland, UK. His height is 178cm.

Ian McDiarmid appeared in the movie Dirty Rotten Scoundrels(1988), Dragonslayer(1981), Star Wars: Episode II - Attack of the Clones(2002), Star Wars: Episode III - Revenge of the Sith(2005), Star Wars: Episode I - The Phantom Menace(1999), Star Wars: Episode VI - Return of the Jedi(1983)。