It's a thriller that will have you on the edge of your seat.
Travolta talked to our Maggie Kent about him playing a role like you've never seen him before.
Travolta describes his character "Moose" as a "man-child" obsessed with an action star, Hunter Dunbar. He'll do anything for an autograph.
In the movie, he takes that star obsession way too far, and things turn violent.
The Fanatic - was directed by Fred Durst of the band "Limp Biscuit."
It premieres in theaters August 30.
Watch his entire interview - where he also discusses his cameo in the Pit Bull music video - in the player above.