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
When Attrocitus sets his eyes on Sector 2814, the Green Lantern Corp recruit hundreds of new members including Jon Stewart and Kyle Rayner to stop Attrocitus before he destroys Earth.