Maggie Simpson Maggie's occasional speaking parts and other vocalisations are currently provided by Nancy Cartwright, but she has also been voiced by guest stars James Earl Jones, Elizabeth Taylor and Jodie Foster, and by series regulars Yeardley Smith and Harry Shearer. Maggie has appeared in various media relating to "The Simpsons" – including video games, "The Simpsons Movie", "The Simpsons" Ride, commercials and comic books – and has inspired an entire line of merchandise. "The Simpsons" uses a floating timeline in which the characters do not physically age, and as such the show is assumed to be set in the current year.
Maggie Roswell and guest appearances on television shows such as "Remington Steele", "Masquerade", and "Happy Days". She appeared frequently in the sketch comedy "The Tim Conway Show" from 1980 to 1981, and did voice acting for a few animated films and television shows. Roswell also performed in some theater plays, including one in 1988 directed by Julia Sweeney. In 1989, Maggie Roswell was hired for the first season of "The Simpsons". She played a few minor characters until she became a regular cast member with the introduction of Maude Flanders in the second season. In 1994, Roswell and her husband Hal Rayle