In the original Back To The Future script Doc Brown was supposed to have chimp rather then dog but they obviously changed it in the final script.
Die Hard is actually based on a book which in turn was a sequel, the first book was called The Detective and the sequel which Die Hard was based on was called Nothing Lasts Forever by Roderick Thorp.
Frank Sinatra played the same character in the movie The Detective and had first refusal on Die Hard but he turned it down well being 73 at the time didn’t help lol.
Superman IV The Quest For Peace was given a 36 Million Dollar budget but Cannon decide to only use 17 million dollars for the film and used the rest to fund other projects. Superman IV would later flop and Cannon woukd go bankrupt.
Michael Ironside, Arnold Schwarzenegger, and Rutger Hauer were considered to play Robocop but would have been too bulky to fit in the suit.
Originally Will Smith was first choice to play Neo in The Matrix but turned the role down.
Actor Dustin Hoffman was nearly cast Deckard in Blade Runner.
The line “Yippee-ki-yay!" means “Eat this!" in Urdu and is uttered in all the Die Hard films.
Mer-Man in Masters of The Universe Animated Series was originally called Seaman but they realised when you said it very quickly we’ll get the dift
Tom Hanks was not paid for Forrest Gump. Instead he took percentage points which netted him in the region of $40 million.
Rhys Ifans was the original lead singer of the Super Furry Animals.