The 'Mission: Impossible' actor - whose six-year marriage to the 33-year-old brunette ended in August - is said to be reconsidering his connections to Scientology after 20 years with the church because the 50-year-old star, who was married to Nicole Kidman from 1990 until 2001, felt ''a failure'' following his latest split.
A source told The People newspaper: ''Now he's lost the most precious thing in his life, he sees that his Scientology beliefs may not have hurt his box office but have ended not one but two marriages.
''It was a terrifying and rude awakening for Tom when Katie served him with divorce papers. He's used to feeling undefeatable and untouchable. When he lost Katie he felt a failure.''
Tom - who has six-year-old daughter Suri with Katie - is ''distancing himself'' from the religion and insiders revealed he hasn't been seen at the services or Sunday brunch for months.
The source added: ''He has lost Nicole and now his wife and daughter. He has always used the Scientology techniques but he has now realised they don't work in marriage.
''Tom is no longer volunteering to be the public poster boy for Scientology. You'll see he is seriously calming that down, he will head up the annual fundraisers and awards show but that's in-house.
''In the outside world, Tom will not be promoting the religion, he is distancing himself.
''Many believe he is pulling away because he thinks it was Scientology that split him and Katie up.''
Should Tom cut all ties with Scientology then insiders believe Katie would consider reconciling her relationship with him.
The source explained: ''If Tom truly leaves, Katie would reconsider. She was in love with Tom, he was her childhood crush, it took a lot of strength to break free. But now she has peace of mind but no love.''
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