Nicolas Cage is an avid fan of the "Marvel" comic, and lobbied furiously to play the part of Ghost Rider.
Nicolas Cage's computer generated skull was made from a three dimensional x-ray taken of his actual skull.
(at around 14 mins) The head-on shot showing Johnny Blaze crashing his motorcycle on landing after jumping a long line of trucks is identical to the famous shot of Evel Knievel's crash after a spectacular jump at Caesar's Palace on December 31, 1967.
One of the few "Marvel Comic"-based movies in which Stan Lee did not appear. He had absolutely no involvement in the creation of the original "Ghost Rider."