Production is already under way on James Franco's next directorial outing Zeroville, with the filmmaker starring alongside Seth Rogen, Will Ferrell, Megan Fox, Jacki Weaver, Danny McBride, Dave Franco, Craig Robinson, Joey King and Horatio Sanz.The story is adapted from Steve Erickson's 2007 novel of the same name, which follows a loner and a film-obsessed architecture student (James Franco) who comes to Hollywood in the 1960s to pursue a career in the movie business.