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
This is a possible cast and crew for the Star Wars Thrawn Trilogy, had the novels been adapted into live-action feature films, or made as movies from the start in the 1990's.