The Star Wars universe has created plenty of memorable creatures of its own, but Return of the Jedi created a link between the franchise and one of the most famous alien movies of all time: E.T. the Extra-Terrestrial. Return of the Jedi capped off George Lucas's massively successful original Star Wars trilogy, which follows Luke Skywalker, Leia Organa, and Han Solo as they lead the Rebel Alliance against Darth Vader and the Galactic Empire. Working on a smaller scale, Steven Spielberg's E.T. depicts the friendship that develops between a young boy and the alien that he discovers in his family's shed. While its story stakes may be humbler than those of Star Wars, E.T. was just as high-profile, coming on the heels of some of the most successful movies of Spielberg's career, including Jaws, Close Encounters of the Third Kind, and Raiders of the Lost Ark.
Both E.T. and Return of the Jedi built off of the established science fiction blockbuster trend of the 1980s and have gone on to be extremely influential in the years since, especially on the genre of family-friendly sci-fi. Another feather in the cap of Star Wars is that, being a long-running and ongoing series, it has a larger collection of lore than almost any other franchise. This has resulted in many cheeky references and obscure facts being hidden among its minor background characters.
In Return of the Jedi, when Princess Leia adopts the persona of Boushh to gain entrance to Jabba the Hutt's palace, her modulated speech is provided by actress Pat Welsh, who also voiced the titular alien in the previous year's E.T. the Extra-Terrestrial. A heavy chain smoker, Welsh brought an otherworldly androgyny to both performances: in E.T. to emphasize the character's literal otherworldliness against a prosaic suburban backdrop; and in Return of the Jedi to throw Jabba (and the audience) off the trail of who is behind the mask, doubly essential because Leia is impersonating an established male bounty hunter.
This little-known connection shouldn't be surprising given that the driving creative forces behind the two films, George Lucas and Steven Spielberg, are good friends, having collaborated on the Indiana Jones series of films. Lucas even lobbied for Spielberg to direct Return of the Jedi, but disputes with the Director's Guild prohibited that idea. But Spielberg's influence was still felt, because it was reportedly Welsh's performance in E.T. that made Lucas consider her for the role of Boushh.
Pat Welsh was primarily a radio actress, and these two science fiction movies, along with a 1940s war film, constitute her only screen work. She went uncredited in all three. However, Return of the Jedi and E.T. were so extremely profitable that one could reasonably say that Welsh was to the box office what John Cazale was to the Oscars. As such, her presence in the history of motion pictures, while brief, is unlikely to be forgotten any time soon.