Willem Dafoe had to be fitted with prosthetic teeth when he took the role of Norman Osbourne in Spider-Man. Producers didn’t think a person as rich as Norman Osbourne would walk around without getting his teeth fixed. Willem Dafoe’s real teeth can be seen in the scenes in which Norman Osbourne is having a conversation with himself in the mirror.

During the filming of The Lord of the Rings: The Two Towers, Aragorn (Viggo Mortensen) kicked his helmet and then screamed in anguish and fell to his knees. The reason was that... ...the actor broke 2 of his toes while kicking the helmet.

The scene in The Princess Diaries where Mia slips and falls on the bleachers was real. Anne Hathaway slipped while doing the scene and fell. Director Garry Marshall thought it was funny, so he inserted it in the final cut.

Evangeline Lilly agreed to play Tauriel in The Hobbit only if she didn’t become a part of a love triangle. The love triangle storyline was added during the production.

Snape’s costume remained unchanged throughout all 8 Harry Potter films. Costume designer Jany Temime explained it like this, “It was perfect. When something is perfect, you cannot change it.”

Ralph Fiennes’s nephew, Hero Fiennes-Tiffin, portrayed Tom Riddle as a child in Harry Potter and the Half-Blood Prince while Ralph Fiennes played Lord Voldemort.

In The Lord of the Rings: The Fellowship of the Ring, when Bilbo drops the Ring before leaving Hobbiton, the floor was magnetic to prevent the Ring from bouncing. This was done to demonstrate the importance and weight of the Ring.

In Ad Astra, the climactic scene where Brad Pitt talks to his father takes place in zero gravity. However, his tear runs down his cheek when it should have floated like a bubble off his face because that’s how it works in zero gravity.

In I am Legend, Dr. Robert Neville sees the mannequin he calls “Fred” outside on the street. It looks like the mannequin moves its head a little because it was played by a man. During that scene, a mime replaced the mannequin to try and play with people’s minds when they watched that scene.

In the second episode of The Witcher, if you look closely, you’ll notice that Geralt’s sword is made of plastic.

To age the main character of Hachi: A Dog’s Tale, they used makeup to dull his coat’s colors. Additionally, tiny weights were used to make his ears and tail droop.

According to George R. R. Martin’s book, all Targaryens, including Daenerys, had purple eyes. But the production team decided that the contact lenses Emilia Clarke wore affected her performance, so they didn’t use them.

In The Devil Wears Prada, Meryl Streep talks to Anne Hathaway in an S-class Mercedes that was physically cut in half. This was done to get the camera angles right. It was a pre-production model that the makers could never have sold and would have been discarded anyway.

In Game of Thrones, Charles Dance’s character hated his son Tyrion, portrayed by Peter Dinklage. But things were very different in real life. The actor was appalled and disgusted at Lord Tywin’s treatment of his son, so much so that Dance kept apologizing to Dinklage between takes.