Ian McDiarmid as Chancellor Sheev Palpatine - Star Wars: The Clone Wars Live Action Fan Cast | myCast.io
Ian McDiarmid
Age: 81
male
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
If the Clone Wars show was live action, and made after Attack of The Clones, and the last episode aired the day after Revenge of The Sith released in theaters