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
After years in hiding, Obi-Wan Kenobi struggles to reconnect with the Force in order to protect Luke Skywalker from Imperial forces and his former student Darth Vader, turned into an imperial machine by the Galactic Empire.