Knowing These Back to the Future Facts Makes You A Genius, McFly

4. For four weeks, Eric Stoltz, the disfigured boy from the heartwarming Cher movie Mask, played Marty McFly, but the movie’s producer pushed for Michael J. Fox, who was also working on Family Ties at the time. Just look at how weird Eric looked as Marty … Great Scott!

5. President Ronald Reagan made a reference to BTTF in his 1986 State of the Union address based on a line in the movie from “Doc” Brown. President Reagan was offered the chance to play the mayor in Back to the Future: Part III but turned it down.