Updated: Nov. 21, 2011 at 3:14 PM

Famous Scientologists (23 images)

With Janet Reitman's new book "Inside Scientology: The Story of America's Most Secretive Religion," building up steam, take a look at some of the most well-known, and most surprising, celebrity Scientologists.

A Singer-turned-Congressman, the late Sonny Bono publicly described his religion as Roman Catholic, but attended Scientology courses with his wife, Mary. rw/file photo UPI

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The couple claims that Scientology therapy sessions keep their marriage together. UPI/Jim Ruymen

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Chick Corea first encountered "Dianetics" in 1968, and maintained a relationship with Ron L. Hubbard up until Hubbard's death in 1986, mentioning the founder of Scientology in the "special thanks" notes in his later albums. Corea credits Scientology with a strong influence on his work since his introduction. (UPI Photo/Phil McCarten)

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The voice of Bart Simpson has donated millions to the church since joining in 1989. In 2009, she donated Bart's voice to a robocall promoting a Scientology event in Los Angeles. (UPI Photo/Jim Ruymen)

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