The Jedi long suspected Palpatine had a dark side, but there was never enough evidence to be sure until Revenge of the Sith.

Ian McDiarmid almost didn't play Palpatine due to another actor's casting. McDiarmid's portrayal of Palpatine spans all Star Wars trilogies, solidifying his irreplaceable legacy. Lucas considered ...

Ian McDiarmid is a Scottish actor and director best known for portraying Emperor Palpatine in the Star Wars film series. He has received an Olivier Award for Best Actor and a Tony Award for Best ...