Mickey Rourke provides the narration for writer-director Vlad Yudin's docudrama Generation Iron, which you can see in our exclusive clip before it hits theaters September 20. The film follows seven elite bodybuilders as they train for the Mr. Olympia competition, with appearances by actors and celebrities such as Michael Jai White, Lou Ferrigno, Busta Rhymes, Jay Cutler, and seven-time Mr. Olympia champion Arnold Schwarzenegger. Take a look at this scene that you can't see anywhere else, which features Hidetada Yamagishi talking with his trainer after a competition.

Generation Iron examines the professional sport of bodybuilding today and gives the audience front row access to the lives of the top 7 bodybuilders (including Phil Heath, Kai Greene, Branch Warren and Dennis Wolf) in the sport as they train to compete in the world's most premiere bodybuilding stage - Mr. Olympia.