Context of Ali, Columbia Pictures presents in association with Initial Entertainment Group a Peters Entertainment/Forward Pass Production in association with Lee Caplin/Picture Entertainment Corporation and Overbrook Films ; a Michael Mann film ; executive producers, Howard Bingham, Graham King ; produced by Jon Peters, James Lassiter, Paul Ardaji ; produced by Michael Mann, A. Kitman Ho ; story, Gregory Allen Howard ; screenplay, Stephen J. Rivele & Christopher Wilkinson and Eric Roth & Michael Mann ; director, Michael Mann