does it have any sequels?
Yes, "Back to the Future Part II".
Back to the Future
 Again written by Gale and Zemeckis, the sequel script was so long that it was split into two films, "Back to the Future Part II" and "Back to the Future Part III"; both films were shot back to back. 
who played marty in back to the future Michael J. Fox what was the premise of the film? Marty McFly, a teenager accidentally sent back in time to 1955 in a time-traveling DeLorean automobile built by his eccentric scientist friend Doctor Emmett "Doc" Brown. what kind of cultural impact did the film have? "Back to the Future" has influenced or been referenced in a variety of media, including: "American Dad".
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Back to the Future [SEP] Sequels and adaptations
In the years since the release of "Part III", studios have attempted to convince Gale and Zemeckis to make another film; the pair share a controlling interest in the series preventing sequels being made without their permission. Gale has said there will never be a fourth film. He likened it to "selling your kids into prostitution." He added that a "Back to the Future" film could never happen without Marty McFly, and Fox could not participate because of the effects of his Parkinson's disease. There was also concern that other popular film series had been revived for sequels only to be critical failures.