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
The ideal cast for the DCEU. It’s ok to recast actors from the real DCEU if you feel they are already perfectly cast (Ed: Henry Cavill, Ben Affleck, Gal Gadot, etc...)