"It was spiritual. It was powerful. It was indescribable. What words can you use? It's still something that I'm processing and keep reliving," the actor tells ABC News's Deborah Roberts in a 20/20 interview airing Friday.
Cruise made his comments on Thursday night during an interview with the cast of his upcoming movie, Mission: Impossible III, including Philip Seymour Hoffman, Keri Russell and director J.J. Abrams.
More on Tom & Katie
In fact, Cruise admits that he suffered an injury while filming M:I 3. "I separated six ribs at a certain point. I never told J.J. or anybody when it happened."
Mike Emory / BigAustralia / BEImages
Cruise even jokes about his well-known enthusiasm. When Roberts asks if he was pleased with the way the film turned out, he says, "If there were couches and chandeliers, I'd be jumping up and down!"
(The interview will be featured on an abbreviated 20/20 airing on ABC on Friday, April 21, from 9:00-9:15 p.m. ET.)