While looking for a tattered coat for the character playing The Wizardin the Wizard of Oz, a costume assistant bought one from a second hand store. When the actor put the coat on he turned the pocket inside out - written in the pocket was the name L.Frank Baum who is the author of The Wizard of Oz books. Baum's widow later identified the coat as actually having belonged to her husband
The actors of Saving Private Ryan were put through basic training before filming, EXCEPT Matt Damon so that the other actors would build some sort of unconscious resentment towards his character.
While filming Guardians of the Galaxy, they had to do several takes of some scenes because Chris Pratt kept making the pew pew sounds when he fired his raygun.
During the production of Borat, they never washed his suit. It smelled awful and this was done to add another layer of discomfort for anyone coming in contact with him.
During the scene of The Dark Knight when the Joker crashes the party, Michael Cain had lines, but it was his first time seeing Heath Ledger in character and he completely froze up.
Wayne's World was filmed in one month because all the equipment was rented and needed to be given back at a specific time.
You know that picture of Rose that Leo drew in Titantic?
James Cameron drew that.
In The Shining, all the papers where it said "All work and no play makes Jack a dull boy" was written solely from the directors secretary, who forced her to spent months typing it, to get the madness touch to it. Also he told everyone on the crew not to talk to the actress who played the mother, so she would actually feel the isolation she. was to feel in the movie.
In Casablanca, there is a scene with Bogart and Bergman saying goodbyes in an aircraft hanger. In the background there is an aircraft with a group of people loading baggage. They could not fit a real aircraft on the soundstage. It was actually a model aircraft and the people were dwarves, giving the appearance of correct scale.
When Viggo Mortensen cries out in pain as he thinks he discovered that two of the Hobbits were dead, he actually cried out of immense pain as he was supposed to kick an iron helmet and broke his foot.
At the end of Pirates of the Caribbean: Dead Man's Chest, when Captain Barbossa walks down the stairs, the reaction of the cast was actual legit surprise. They were told that Zoe Saldana's character from the first movie would be coming down.
In Django Unchained when Leonardo DiCaprio's character just loses it and slams on the table, Leo actually cut his hand open. But he pushed through and finished the scene and that's the clip they used in the actual movie.
Fight Club was filmed in chronological order, and throughout the filming Edward Norton put himself on a near-starvation diet and avoided the sun, while Brad Pitt spent a lot of time at the gym and in tanning salons. The end result is we see Tyler Durden getting stronger and healthier while the narrator withers away.
After reading the script, Gene Wilder said he would take the role of Willy Wonka under one condition: that he would be allowed to limp, then suddenly somersault in the scene when he first meets the children. When the director asked why, Gene Wilder replied that having Wonka do this meant that "from that time on, no one will know if I'm lying or telling the truth." The director asked, "If I say no, you won't do the picture?" and Gene Wilder said, "I'm afraid that's the truth."
In A Knight's Tale, just after Heath Ledger wins his first sword fighting tournament, Paul Bettany makes a grand speech about Heath, using lots of big words. All of the extras were Czech and didn't understand what he was saying, so it was down to Mark Addy to shout "Yay! " under his voice to let the extras know they had to cheer. It worked so well, the director kept it in.
In the flower shop scene in The Room, when Johnny says, "Oh hi, doggy", that was a genuine reaction. He didn't realize that the dog was - in his own words - "a real thing".
In Anchorman, during the Sex Panther scene, Paul Rudd was determined to make Will Ferrell laugh and break character since it was always the other way around. He thought that this would be accomplished with the "60% of the time it works, every time" line. Will fired back with, "That doesn't even make sense" line without skipping a beat once again, making Paul and others break character yet again.
A scene was cut from Independence Day which showed Jeff Goldblum reverse engineering the programming language of the crashed alien ship the military had. This is how he could upload a virus from his Mac laptop to the alien mothership.
The hotel scene in Apocalypse Now, when Martin Sheen is freaking out, is unscripted. He also suffered a heart attack on set.
"My name is Forrest Gump. People call me Forrest Gump," was never written in the script of Forrest Gump. Tom Hanks ad libbed the line. Also, "Life is like a box of chocolates" originally appeared as "Bein' an idiot is no box of chocolates" which was changed because it sounded too cynical for the passive Forrest Gump.
If you've seen the 1997 comic film "Spawn," Michael Jai White plays the tormented soul. John Leguizamo plays the Clown/Violater. Spawn becomes agitated by his antics and says, "ENOUGH from the clown!"
As Gambol in The Dark Knight, when the Joker comes in and proposes he man-up and kill Batman, Gambol slams the table and yells, "ENOUGH from the clown!" It's an absolutely clever tie-in in a perfect scenario.
In The Fellowship of the Ring, Gandalf hits his head on the ceiling in Bilbo's home. That was not part of the script. Ian McKellen did it by accident but stayed in character so they left it in.
In Se7en, all of John Doe's books were real books, written for the film. They were written by one man, production designer John Sable. It took two months to complete and cost $15,000. According to Somerset, two months is also the time it would take the police to read all the books. They were written by one guy, too.
EuroTrip was filmed mostly in the Czech Republic. Matt Damon filmed his cameo role when he was in the country shooting The Brothers Grimm.
While filming Total Recall, Schwarzenegger noticed that Michael Ironside was constantly on the phone between takes. When he broached the subject with Ironside, he was told the he was phoning his sister because she was suffering from cancer. Arnold immediately brought Michael to his trailer and they had an hour-long, 3-way conversation with the sister about what exercises to do and what kinds of foods she should be eating and really lifting her spirits. Ironside has never forgotten Schwarzenegger's kindness and neither has his sister.
The scientists for Interstellar did so much theoretical physics to get the wormhole and black hole effects right that their work is going to be published into a scientific paper. One of the producers was Kip Thorne, a physicist who is one of the leading experts on general relativity, and black holes, worked with the VFX teams to make sure the effects shots actually behave the laws of physics.
William Friedkin had a shotgun with blank shells that he'd shoot off on the sound stage during breaks, while filming The Exorcist. It scared the daylights out of everybody, and after a few times he was asked to stop. The actors didn't find it funny. What they didn't know was that their reactions were being filmed - and later inserted into the movie as their reaction when Regan made a sound upstairs.
While filming Stand By Me, a renaissance fair was being held and the cast and crew attended and bought some cookies. Unfortunately, the cookies turned out to be pot cookies and two hours later, the crew found Jerry O'Connell (Vern) crying and high on the cookies somewhere in the park.
In The Avengers, any snack that Robert Downy Jr. eats was not scripted. They had set people to try and find and take these snacks before filming, but he would hide them on the sets well enough and pluck them from hiding places during recording, for an example, in Dr. Banner's lab.
In "The Life of Brian", the actors who played the Roman Soldiers were told not to laugh during the "biggus dickus" scene, or they would not be paid. Thus, their attempts to stifle their laughter is real, and not staged.