British Prime Minister Tony Blair, Glenn Close, Jennifer Gardner, Jerry Lewis, author J.K. Rowling, Sir Ian McKellan, Michael Moore and Simon Cowell are among the upcoming guest voices on The
Simpsons, Fox announced. Entering its 15th season, The Simpson has become the longest running primetime series on television. It's also earned 18 Emmys, a Peabody and other awards. The season begins
with Close reprising her role as Mother Simpson in the season premiere, My Mother the Carjacker. On the lam for years, Homer's shady mother returns to Springfield only to have the police catch up to
her. Desperate not to lose her again, Homer busts her out of jail by taking control of the prison bus she's traveling in.