Ray (2004) To commit to the role of Ray Charles, Jamie Foxx glued his eyes shut for 14 hours at a time while filming.

Stand By Me (1986) In order to get an emotional reaction out of child actors Will Wheaton and Jerry O’Connel, director Rob Reiner got the tears flowing the old fashioned way. He actually made the boys cry by yelling at them and telling them they were doing a terrible job.

Joker (2019) Joaquin Phoenix lost 52 pounds to play his role as Arthur Fleck.

It: Chapter Two (2019) A whopping 5,000 gallons of fake blood were used to shoot the iconic bathroom scene. This is the most used for any movie.

Get Out (2017) Actress Tiffany Haddish turned down Jordan Peele’s offer to audition for Get Out. The actress said she will not do scary movies and doesn’t want that ‘cursed stuff’ near her home.

Mamma Mia! Here We Go Again (2018) Cher is friends with the head of Universal Pictures, Ronnie Meyer, who asked her to do the movie in an unusual way. He called, said “You’re doing Mamma Mia!” and hung up before she could say anything.

Guardians of the Galaxy (2014) It took Vin Diesel more than 1,000 tries to nail Groot’s catchphrase.

The Machinist (2004) Christian Bale not only dropped 60 pounds for his role in the psychological thriller, but also only slept for two hours a night.

Monsters, Inc. (2001) The girl who voiced Boo, Mary Gibbs, was actually a toddler at the time. Crew members would follow the young girl around the recording studio and speak to her using puppets. When they needed Gibbs to laugh or cry, her mother would tickle her or take candy away.

Home Alone (1990) Joe Pesci actually bit young Macaulay Culkin during a rehearsal of the finger biting scene. It broke the skin and Culkin still has a scar to this day.

The Departed (2006) Jack Nicholson pulled a real gun on Leonardo DiCaprio without telling him beforehand, so his reaction of fear is genuine.

Spider-Man: Far From Home (2019) Samuel L. Jackson improvised the above line as a rebuttal to Peter calling himself “just a friendly neighborhood Spider-Man.”

The Dark Knight (2008) Michael Caine, who played Alfred alongside Heath Ledger’s Joker, admits that at one point he forgot his lines because Ledger was so terrifying.

La La Land (2016) Ryan Gosling learned how to play the piano for his scenes in the film. The actor picked it up so quickly that even John Legend admitted to being a little jealous of his talent.

Singin’ in the Rain (1952) Debbie Reynolds was forced to dance for such long periods of time while filming that her feet bled.

The Exorcist (1973) The sound of Reagan’s head spinning around was created by twisting a leather wallet in front of a microphone.

Thor: Ragnarok (2017) The above line (when Thor sees The Hulk) was actually ad-libbed by a child visiting the set from Make-a-Wish.

Moonlight (2016) Actress Naomie Harris only had three days to film all of her scenes due to a visa issue. Her performance was so amazing that she was nominated for an Academy Award.

Call Me by Your Name (2017) Timothée Chalamet wore an earpiece while filming the fireplace scene in order to hear the song that would be playing during the actual movie. The song is “Visions of Gideon” by Sufjan Stevens.

The Shining (1980) The snow that covers the hedge maze was made with 900 tons of Styrofoam and salt.

Avengers: Endgame (2019) Tony Stark’s death scene with Pepper Potts was completely improvised.