Celebrity Scientologists By Author Free Britney at Feb 27, 2014 • Category Scientology Who are the most famous Scientologists around? Let’s take a look at a few you know … or might not.1Tom CruiseTom Cruise is arguably the best-known Scientologist, celebrity or otherwise.2John TravoltaJohn Travolta and wife Kelly Preston are longtime practitioners.3Kirstie AlleyKirstie Alley is another well-known Scientologist.4Elisabeth MossThere’s one you might not have realized.5Jason LeeActor Jason Lee is a Scientology adherent.6Laura PreponLaura Prepon was converted to the religion by her then-boyfriend Danny Masterson.7Juliette LewisJuliette Lewis is another lesser-known Scientologist.8Erika ChristensenErika Christensen of Parenthood fame.9BeckYes. Beck.10Lisa Marie PresleyLisa Marie Presley, former wife of Michael Jackson and only daughter of Elvis, was a Scientlogist like her mother Pricilla Presley. 11Jenna ElfmanActress Jenna Elfman was raised Catholic, but was introduced to Scientology by her husband Bodhi and joined the church after they married in 1995. 12Peaches GeldofIn 2009, it was reported that Peaches Geldof started taking an interest in Scientology.