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Rhea Perlman is an American actress who is best known for her role as Carla Tortelli on the sitcom "Cheers". She has also appeared in films such as "Matilda", "One Flew Over the Cuckoo's Nest", and "Sister Act 2: Back in the Habit". In the film "Matilda", Perlman plays the role of Zinnia Wormwood, the mother of Matilda Wormwood.