The trailer for a new film about Bob Dylan is out. Originally titled "I'm Not There: Suppositions on a Film Concerning Dylan," the film follows seven characters, each embodying a different aspect of Dylan's life story and music. I'm Not There is the first biographical feature project to win the approval of the pop culture icon. Christian Bale, Cate Blanchett, Richard Gere, Heath Ledger and others portray the folk legend. Julianne Moore and Michelle Williams also star.