The 54-year-old actor, who rarely speaks about his belief in the religious practice, said he is proud of being a follower, reported Female First.
"It's something that has helped me incredibly in my life; I've been a Scientologist for over 30 years. It's something, you know, without it, I wouldn't be where I am. So it's a beautiful religion. I'm incredibly proud," Cruise said.
The actor said the methods developed under the religion have helped him overcome his dyslexia.
"I asked myself if I was normal or an idiot.I would try to concentrate but I felt anxiety, frustration, boredom. When I graduated from high school in 1980 I was functionally illiterate."
The actor is one of the highest-ranking Scientologists has been hailed by leaders of the faith as the "chosen one" who will spread the word of the religion.