As if Dame Maggie Smith wasn't popular enough from her portrayal of Professor McGonagall in the Harry Potter movies, her role in "Downton Abbey" has made her even more of a household name. Smith has been in the business since the '50s and has acted opposite Laurence Olivier, Judi Dench, Ian McKellen, and even Cher. Throughout her career she's won one Tony, two Oscars, three Golden Globes, and three Emmys (and many other accolades besides).

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