The Godzilla suit used in the 1954 classic was so thick and heavy that the actor couldn’t be inside it for more than three minutes to avoid suffocation, and he would often suffer bouts of dehydration and heat exhaustion, to the point where he passed out. The suit even had to include a valve to drain all the sweat from it.
In the movie Poltergeist, they used real skeletons. When asked why it was a simple answer, “they were cheaper than the plastic ones.”
The screenwriter for the movie “Cast Away” stranded himself on an island for research, and when a volleyball washed up on shore, it became the inspiration for “Wilson.”
Heath Ledger asked Christian Bale to actually beat him for the interrogation scene in the Dark Knight.
During the 1st season of The Fresh Prince of Bel-Air Will Smith memorized the lines of EVERYONE in the cast. If you go back and watch closely, see him lip synching the lines of whomever was speaking in a scene.
While viewing 1980’s The Blue Lagoon, a herpetologist noticed iguanas in the background with characteristics unseen in documented species. He then traveled to Fiji, tracked & named the Fiji Crested Iguana.
The Soviet Union allowed theaters to play The Grapes of Wrath movie because of its depiction of the plight of the poor under capitalism, but it was later withdrawn because Russian audiences were amazed that even the poorest Americans could afford a car.
The developers of famous movies such as Forest Gump, The Lord of the Rings Trilogy, Return of the Jedi and many others use “Hollywood Accounting” to inflate expenses and show a net loss. This allowed them to completely dodge payments to writers that agreed to be paid a percentage of net profit.