OJ Simpson was turned down for the role of The Terminator because the studio thought he couldn't play a convincing killer.
Back to the Future was nearly called Spaceman from Pluto.
In the original script of The Truman Show, all the actors are criminals.
Bob Hoskins kept hallucinating while making Who Framed Roger Rabbit and couldn't work again for a year.
The line, "Fly, my pretties. Fly!" is never said in The Wizard of Oz.
The crewmembers of The Lord of the Rings made so much chainmail for the films, they wore their fingerprints off.
The main song for Beauty and the Beast was meant to be a rock-n'-roll song.
The most expensive part of Rocky was the make-up.
The line "Frankly my dear, I don't give a damn, " in Gone with the Wind was nearly, "Frankly my dear, it makes my gorge rise."
Alec Guinness wears a toupee in every Star Wars film that he appears in.
Production on The Shawshank Redemption was shut down for days while the studio waited for a maggot to die so they could use it in a scene.