'The Simpsons' Most Surprising Guest Stars, From Benedict Cumberbatch to Amy Poehler

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In its 25 years on television, The Simpsons have had some of the most famous people in the world as guests on the show. It's sort of like a rite of passage for being at the top of your game — you know, like hosting Saturday Night Live or publishing a memoir or roasting the President of the United States. Paul McCartney, Ringo Starr, George Harrison, the Rolling Stones, Stephen Hawking, J.K Rowling, Janet Reno, and Bette Midler have all appeared as the voices of their very famous Simpsons-ified selves on the show. If you ever wonder if your favorite celeb has ever voiced a character, just remember, "The Simpsons did it!"

Though not every actor, politician and pop star that has visited Springfield playdc themselves. In fact, huge celebrities have voiced some characters you may have never guessed. Take a look.

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