Trivia: In the scene where Anna is outside the gates during "For The First Time in Forever", you can see the backs of Flynn and Rapunzel from "Tangled".
Trivia: Not really a mistake, given the need for drama in a war film, but the mission takes place the evening before D-Day, meaning the Allies had complete air supremacy, and knew the exact time, date and place of the meeting of the German officers, this mission would never have taken place. The brightly lit chateau would have been flattened by a squadron of heavy bombers. Lee Marvin, an experienced combat veteran, pointed this out to the producers and was told to keep his opinions to himself.
Trivia: Paul Soles, who portrays the character Stanley, was the voice of Dr. Bruce Banner for the 1966 cartoon of The Incredible Hulk. The name "Stanley" is itself likely a reference to Hulk co-creator Stan Lee.
Trivia: In an interview, the director stated that hoverboards were real, but they weren't on the market because parents didn't like the idea of floating children. He said this as a joke, but this didn't stop mass hysteria as thousands of kids went from store to store looking for hoverboards.
Trivia: The P-51 Mustang that "Maverick" Mitchell flies in this film is actually Tom Cruise's own airplane.
Trivia: The word "fuck" and its derivatives are used a total of 246 times.
Trivia: During the scene in the bar with Mystique and the prison guard, the person on the TV is Dr. Hank McCoy - this is the real name of X-Man The Beast.
Trivia: When composer Éric Serra showed Inva Mula, the Albanian soprano who was going to sing the Diva Dance, the sheet music for that part, apparently she laughed and said that it was impossible for the human voice to switch from high to low notes that quickly. She got her way: The part that ended up in the film is not a single piece of audio, rather it's several pieces stitched meticulously together.
Trivia: When Deadpool autographs the cereal box he signs it Ryan Reynolds.
Trivia: Have a close look at the Predator's trophy collection on his spaceship. Taking pride of place is a skull from the creature in the Alien movies. (01:33:05)
Trivia: Tom Cruise broke his ankle doing the building jump in London. He was always intended to almost miss the landing and have to pull himself up, but his foot hit the side of the building and was forcibly bent at a wrong angle. Filming was held up for seven weeks. When he limps away once he has climbed up to the roof, he's not acting - that's the result of his injury.
Trivia: Paul Reiser's character Carter Burke was so immediately hated that during the movie's premiere his sister hit him, and when Burke's death occurred, his mom's response was simply "good."
Trivia: In the entire movie the word 'LEGO' is never spoken once.
Trivia: Actor Richard Davalos kept his bayonet razor sharp and accidentally stabbed Telly Savalas in the arm during the scene where the squad jumps over the wall to ambush the Germans on the road, warranting bandages on Savalas' arm. In the film, Savalas kept his shirt sleeves rolled up, until he was stabbed, and then kept his sleeves rolled down to hide the bandages.
Trivia: When a Nazi falls from the back of the truck carrying the Ark, a "Wilhelm scream" can be heard.
Trivia: According to the Guinness Book of Records, the Lord of the Rings holds the record for the greatest number of false feet used in one movie: 60,000.