Back to the Future Part III Back to the Future Part III Back to the Future Part III is a 1990 American science fiction Western comedy film and the third and final installment of the "Back to the Future" trilogy. The film was directed by Robert Zemeckis, and stars Michael J. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F. Wilson and Lea Thompson. The film continues immediately following "Back to the Future Part II" (1989); while stranded in 1955 during his time travel adventures, Marty McFly (Fox) discovers that his friend Dr. Emmett "Doc" Brown, trapped in 1885, was killed by Biff Tannen's great-grandfather Buford. Marty travels
Back to the Future to direct "Romancing the Stone" instead, which was a box office success. Now a high-profile director, Zemeckis reapproached Spielberg with the concept. Agreeing to produce "Back to the Future," Spielberg set the project up at his production company, Amblin Entertainment, with Kathleen Kennedy and Frank Marshall joining Spielberg as executive producers on the film. The script remained with Columbia until legal problems forced them to withdraw. The studio was set to begin shooting a comedic send-up of "Double Indemnity" entitled "Big Trouble". Columbia's legal department determined that the film's plot was too similar to "Double Indemnity" and they needed the