Bernie Mac and Josh Duhamel are set to star in Michael Bay’s “Transformers: The Movie” for DreamWorks and Paramount. Live-action production starts lensing this month, with release scheduled for July 4, 2007. Story centers on the central saga of the Autobots vs. the Decepticons. Mac will play a salesman who sells Shia LaBeouf’s character his first Transformer. Jon Voight, Megan Fox, John Turturro, John Robinson and Travis Van Winkle round out the cast.