Ian McDiarmid is a Scottish theatre actor and director, who has also made sporadic appearances on television, and appeared in 47 films since 1976. Internationally, he is perhaps most famous for his role as Emperor Palpatine/Darth Sidious in the Star Wars saga. He also played Brother Jacobus in Dragonslayer.

McDiarmid also portrayed Professor Levi in The Young Indiana Jones Chronicles episode "Paris, October 1916" (later edited into The Adventures of Young Indiana Jones: (Chapter 9) "Demons of Deception").

Disney Roles