Ian Abercrombie (11 September 1934 – 26 January 2012) was an English actor and comedian long based in the United States, best known for playing the eccentric Justin Pitt on Seinfeld.
He played Alfred Pennyworth on Birds of Prey, Justin Pitt (Elaine Benes's boss) during the sixth season of Seinfeld, Rupert Cavanaugh (Ian Hainsworth's butler) in Desperate Housewives, Professor Crumbs in Wizards of Waverly Place, and Palpatine in Star Wars: The Clone Wars.