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
Obi-Wan Kenobi is a young apprentice Jedi knight under the tutelage of Qui-Gon Jinn; Anakin Skywalker is just a 9-year-old boy. When the Trade Federation cuts off all routes to the planet Naboo, Qui-Gon and Obi-Wan are assigned to settle the matter.