Who are the most famous Scientologists around? Let's take a look at a few you know ... or might not.
Tom Cruise is arguably the best-known Scientologist, celebrity or otherwise.
John Travolta and wife Kelly Preston are longtime practitioners.
Kirstie Alley is another well-known Scientologist.
There's one you might not have realized.
Actor Jason Lee is a Scientology adherent.
Laura Prepon was converted to the religion by her then-boyfriend Danny Masterson.
Juliette Lewis is another lesser-known Scientologist.
Erika Christensen of Parenthood fame.
Lisa Marie Presley
Lisa Marie Presley, former wife of Michael Jackson and only daughter of Elvis, was a Scientlogist like her mother Pricilla Presley.
Actress Jenna Elfman was raised Catholic, but was introduced to Scientology by her husband Bodhi and joined the church after they married in 1995.
In 2009, it was reported that Peaches Geldof started taking an interest in Scientology.