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.
The "The Young and the Restless" actress is a member of the Church, even performing in its Christmas benefit performance in 2008. (UPI Photo/Roger Williams)
Singer-songwriter Winter is a member of the Church and also produced and performed on an album written by L. Ron Hubbard himself. (UPI Photo/Michael Tweed)