Movie history “what if” scenarios can get pretty wild. Back To The Future’s legacy as one of the best sci-fi movies has proven that fact several times over, especially with the 1985 classic originally casting Eric Stolz to play Marty McFly. But now, another tangent timeline has been revealed, as there’s a story behind executive producer Steven Spielberg and Robert Zemeckis offering the role of Christopher Lloyd’s Doc Brown to a pretty popular rock star. A star that then promptly turned them down, once he realized they were asking him to act.
