<Tr> <Th> Years active </Th> <Td> 1974 - present </Td> </Tr> <Tr> <Th> Known for </Th> <Td> Marge Simpson in The Simpsons </Td> </Tr> <P> Julie Deborah Kavner (born September 7, 1950) is an American actress, voice actress, and comedian . She first attracted notice for her role as Valerie Harper's character's younger sister Brenda in the sitcom Rhoda for which she won a Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series . She is best known for her voice role as Marge Simpson on the animated television series The Simpsons . She also voices other characters for the show, including Jacqueline Bouvier, and Patty and Selma Bouvier . </P> <P> Known for her improvisation and distinctive "honeyed gravel voice", Kavner was cast in her first professional acting role as Brenda Morgenstern in Rhoda in 1974 . She received four Primetime Emmy Award nominations for playing the character, winning the award in 1978 . Following Rhoda, Kavner was cast in The Tracey Ullman Show, which debuted in 1987 . The Tracey Ullman Show included a series of animated shorts about a dysfunctional family . Voices were needed for the shorts, and the producers decided to ask Kavner to voice Marge . The shorts would eventually be spun off into The Simpsons . </P>

Who does the voice of patty and selma