Oz the Great and Powerful Trailer [HD]: James Franco, Michelle Williams, Rachel Weisz & Mila Kunis August 12, 2012 By Halloween costume lion James Franco as the Wizard of OZ! The official trailer for “Oz The Great And Powerful”. A prequel to The Wonderful Wizard of Oz that tells how the Wizard (James Franco) arrived in Oz became the ruler. Share this:TwitterFacebookLinkedInRedditTumblrPinterestPocketLike this:Like Loading... Related