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.
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The "My Name is Earl" star joined Scientology before becoming an actor. Rumor has it his involvement broke up his marriage to Carmen Llywelyn. (UPI Photo/Laura Cavanaugh)
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