Back to the Future 4: The Age Of The Dinosaurs

Back to the Future 4: The Age Of The Dinosaurs is an upcoming science fiction/adventure film Directed by Robert Zemeckis and Executive Produced by Steven Spielberg, Produced by Steven Spielberg's Amblin Entertainment and Robert Zemeckis' ImageMovers and Distributed by Universal Pictures. It stars Michael J. Fox and Christopher Lloyd.

Cast

 * Michael J. Fox as Marty McFly
 * Christopher Lloyd as Emmett "Doc" Brown