Back to the Future is one of my favorite movies of all time. I remember seeing it as a child, and not fully understanding what was happening but being enthralled nonetheless. It was a great film, but the original actor for Marty was not Michael J. Fox, but in fact Eric Stolz. I can recall hearing this some years ago, and having a hard time imagining him in that role. Now, I don't have to wonder at all. There's a new clip of the original footage shot with Eric in this retrospective. Apparently, his comedic sensibilities were not a good fit for the movie.