Photos: Celebrity Scientologists Actor John Travolta became a Scientologist in 1975 and has been one of the faith's strongest supporters. Hide Caption 1 of 17

Photos: Celebrity Scientologists Tom Cruise's 2012 split with Katie Holmes triggered lots of questions about any role that Cruise's status as a Scientologist played in the divorce. The church issued this statement about the issue. Hide Caption 2 of 17

Photos: Celebrity Scientologists In 2010, actress Kirstie Alley told CNN's Larry King that Scientology, her faith for three decades, helped her lose weight. Hide Caption 3 of 17

Photos: Celebrity Scientologists Former Fox News host Greta Van Susteren (now with MSNBC) joined Scientology after marrying her Scientologist husband, attorney John Coale, in the 1980s. Hide Caption 4 of 17

Photos: Celebrity Scientologists Nancy Cartwright, a high-profile member of the Church of Scientology, is also the voice of Bart Simpson on the animated series "The Simpsons." Hide Caption 5 of 17

Photos: Celebrity Scientologists Actress Jenna Elfman is best known for her starring role in the TV sitcom "Dharma and Greg." Hide Caption 6 of 17

Photos: Celebrity Scientologists Actress Juliette Lewis defended Scientology and fellow proponent Tom Cruise after his 2012 divorce. Hide Caption 7 of 17

Photos: Celebrity Scientologists Beck came into the spotlight in the '90s with his breakthrough single, "Loser." Hide Caption 8 of 17

Photos: Celebrity Scientologists Actress Anne Archer was nominated for an Academy Award for her role in the 1987 movie "Fatal Attraction." Hide Caption 9 of 17

Photos: Celebrity Scientologists Catherine Bell starred in the TV series "JAG" and "Army Wives." Hide Caption 10 of 17

Photos: Celebrity Scientologists Actor Danny Masterson is known for his role in "That '70s Show." Hide Caption 11 of 17

Photos: Celebrity Scientologists Actress and model Bijou Phillips wed Masterson in 2011. Hide Caption 12 of 17

Photos: Celebrity Scientologists Former "Glee" and "Party of Five" actress Jennifer Aspen credits Scientology with saving her life and for her successful career Hide Caption 13 of 17

Photos: Celebrity Scientologists When asked about his Scientology faith, actor Giovanni Ribisi said, "It's a personal thing, it's something that works for me, and I think it's that simple." Hide Caption 14 of 17

Photos: Celebrity Scientologists Actress Lynsey Bartilson co-starred in the sitcom "Grounded for Life." Hide Caption 15 of 17

Photos: Celebrity Scientologists Actress Erika Christensen played Julia on the critically acclaimed television series "Parenthood." Hide Caption 16 of 17