was it played by same actor?
Yes.
Back to the Future Part II
The film stars Michael J. Fox, Christopher Lloyd, Lea Thompson, and Thomas F. Wilson. The film follows Marty McFly (Fox) and his friend Dr. Emmett "Doc" Brown (Lloyd) as they travel from 1985 to 2015 to prevent Marty's son from sabotaging the McFly family's future; when their arch-nemesis Biff Tannen (Wilson) steals Doc's DeLorean time machine and uses it to alter history for his benefit, the duo must return to 1955 to restore the timeline.

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". does it have any sequels? Yes, "Back to the Future Part II". does it have same character mentioned above? Yes.
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Back to the Future Part II [SEP] Introduction
"Back to the Future Part II" was also a ground-breaking project for visual effects studio Industrial Light & Magic (ILM): In addition to digital compositing, ILM used the VistaGlide motion control camera system, which allowed an actor to portray multiple characters simultaneously on-screen without sacrificing camera movement. "Back to the Future Part II" was released by Universal Pictures on November 22, 1989. The film initially received mixed reviews from critics and grossed over $336 million worldwide in its initial run, making it the third-highest-grossing film of 1989. Reception of the film has improved with time, as the performances, story, direction, cinematography, musical score and future predictions have been singled out for praise.