From Tom Cruise to John Travolta: 16 Notable Celebrity Scientologists (PHOTOS)

Scientology and Tom
How involved is the religion in Tom Cruise's life?
Countless questions are emerging since the announcement of Tom Cruise and Katie Holmes’ divorce. Chief among them: did the actor’s devotion to the Church of Scientology play a key role in their breakup?

Cruise, who turns 50 today, was first introduced to the religion in the 1990s when he married actress Mimi Rogers. Fast forward to today: the Mission: Impossible star has since been heavily involved in the church, even defending it at length during interviews.

Now with word that Holmes, 33, “fears” the church will interfere with her relationship with daughter Suri, six, Scientology — and its members — have been placed under the microscope by the press and curious public.

Click through the gallery above to see more celebs who are heavily involved with the Church of Scientology.

The religion, founded by science fiction writer L. Ron Hubbard, has always been a hot button topic around town.

Andrew Morton, best-selling biographer and author of Tom Cruise: An Authorized Biography, recently wrote that the Scientologist/actor had been “auditioning” potential wives and encouraging them to join the religion since his marriage to Nicole Kidman dissolved in 2001.

Cruise ended up marrying Holmes in 2006, but he first had his eyes on Modern Family star Sofia Vergara, according to Morton.

“As affectionate and attentive as Cruise was, Vergara found the world of Scientology cloying and suffocating,” he wrote in an exclusive guest blog for Celebuzz. “She felt she was being followed or watched and that her phone calls were being monitored. It was as if Cruise and Scientology were trying to take over her life.”

He added:

At some point, it was made clear that if their relationship was going to end in wedding bells she had to renounce her Catholic faith and join an organization that believes in immortality. “She was fundamentally terrified by Scientology,” recalls a friend. “She sincerely believed that she would be struck down by God and burn in hell if she joined. That is what she said.”

What do you make of Scientology? Do you think it played a part in Cruise and Holmes’ split? Get in on the conversation, below.

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Tags: Tom Cruise