Ian McDiarmid (born 11 August 1944) 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 Featured Actor in a Play for his performances. Wikipedia
Let's be frank, the sequel trilogy sucked. In part, due to the monotone, mundane attrocities that were considered 'characters' which could have been saved with a little George Lucas magic and better casting.