25 Strange Harry Potter Facts About the Film and the Cast

Posted by , Updated on November 6, 2022

There is no doubt some questionable things happen around Harry Potter, and these 25 strange Harry Potter facts will prove it! From using dragon blood as a cleaner, an outbreak of lice, to bumblebees- we may blow your mind.

Strange things weren’t just going on in the Harry Potter world, but on the set of the movies as well. Producers of the films had their hands full with the young actors. Draco Malfoy liked to sneak in snacks, while Harry Potter used his wand as a drumstick.

Is Lord Voldemort really unable to feel love because of a love potion? Was Nicolas Flamel a real person? Did J.K. Rowling really drive the same car as the Weasleys? Coincidences? Maybe not. Check out these 25 Strange Facts About Harry Potter!


Lord Voldemort is Unable to Love

25 Strange Harry Potter Facts Fact 01

Albus Dumbledore believed Voldemorts mother used a love potion on his father. If that was true, it would mean Voldemort was conceived while the potion was being used, leaving him without the ability to feel love.

Others blamed his lonely, loveless childhood. J.K. Rowling eventually confirmed Dumbledores love potion theory.


Harry Potter's Eyes Are Only Green in the Last Scene of Sorcerer's Stone

25 Strange Harry Potter Facts Fact 02

In the books, Potter’s eyes are described as a bright green, but in the movies, you see a blue-eyed Potter. Daniel Radcliffe was given green contacts to wear when filming began but he was allergic to them. The last scene of the movie was the first scene shot that you can catch a glimpse of a puffy-faced, green-eyed Potter saying Goodbye to Rubeus Hagrid.


Lord Voldemort Gave and Took Away Harry Potter's Ability to Speak Parseltounge

25 Strange Harry Potter Facts Fact 03

Voldemort gave Harry Potter the ability to speak Parseltongue when Voldermort made Potter one of his seven Horcruxes.

However, when Voldemort killed Potter for five seconds, he also destroyed the Horcrux, therefore removing Potters ability. Since Parseltongue is a language Wizards cannot learn, Potter is never able to speak it again.


Only One From the Trio Finished Their 7th and Final Year at Hogwarts

25 Strange Harry Potter Facts Fact 04

Hermione Granger was the only one to return after the trio dropped out. She went on to become the Minister of Magic.


Daniel Radcliffe's Stunt Double Was Left Paralyzed for Life After Deathly Hallows

25 Strange Harry Potter Facts Fact 05

David Holmes, Radcliffe’s stunt double, was rehearsing an ariel explosion stunt when the accident occurred. The explosion threw Holmes into the wall then be plummeted to the ground. When crew ran to assist him he told them he couldn’t feel his legs. He is paralyzed from the waist down.


The Weasleys and J.K. Rowling Had the Same Car

25 Strange Harry Potter Facts Fact 06

Rowling’s first car was a 1960 Ford Anglia. The Weasleys owned the same exact model and in the same exact color as teenage Rowling. A total of 14 of these cars were destroyed filming Ron Weasley and Harry Potter’s crash into the Whomping Willow.


Twelve Publishers Turned Harry Potter Down

25 Strange Harry Potter Facts Fact 07
A chair member from Bloomsburg’s eight-year-old granddaughter read the book. Once the girl explained it was better than anything else, Bloomsburg decided to pick up the books.

Nicolas Flamel Wasn't Just a Character, But A Real Life Person

25 Strange Harry Potter Facts Fact 08

The real Flamel lived in France in 1340-1418. He was a French scribe and manuscript seller. After his death, Flamel became known as an Alchemist. Although there is no proof, it is said to be he discovered the Philosopher’s stone and achieved immortality


Rubeus Hagrid is Based Off of A Hell's Angel J.K. Rowling Met in the West Country

25 Strange Harry Potter Facts Fact 09

Rowling described the Gentlemen as huge and terrifying, and he would sit to talk about his garden and how bad his petunias were doing. Robbie Coltrane was Rowlings first and only choice to play Hagrid, and was the first actor cast for the movie.


There Was One Instance The Wizards of Hogwarts Copied The Muggles, Modern Plumbing

25 Strange Harry Potter Facts Fact 10

Before copying the Muggles, the Wizards relieved themselves where they stood and vanished the evidence. Thankfully they realized the Muggles were on to something and installed plumbing in the 18th century.


Daniel Radcliffe Has Terrible Handwriting

25 Strange Harry Potter Facts Fact 11
Radcliffe was banned from writing ‘Harry’ when filming Goblet of Fire because of this awful penmanship. Someone in the props department was tasked with writing it for him.

'Muggle' Was A Word Used Long Before Harry Potter Was Released In 1997

25 Strange Harry Potter Facts Fact 12
In the world of Potter, a Muggle is a person who lacks magical ability. Back in the early to mid-1900s, it was used to describe a marijuana smoker.

The Young Stars Did Real Homework On Set

25 Strange Harry Potter Facts Fact 13

Producers wanted school work to look as authentic as possible, so real homework was done when filming at Hogwarts. While filming Prisoner of Azkaban the trio was even assigned essays to write about their characters.


Daniel Radcliffe Went Through A Lot of Props

25 Strange Harry Potter Facts Fact 14

Radcliffe went through 80 wands. It was said he was fidgety and used them as drumsticks. By the time the final movie was completed, 160 pairs of Harry Potter’s round eyeglasses were made.


A Widespread outbreak of Lice Halted Production of Chamber of Secrets.

25 Strange Harry Potter Facts Fact 15

Lice made their way to most of the children and even some adults. How the lice spread and how many of the cast members were really affected is unknown. But the outbreak was never enough that nurses were brought on staff and production halted until the entire cast and crew were bug-free.


Hedwig Had Seven Male Actors

25 Strange Harry Potter Facts Fact 16

Gizmo was the first to play Hedwig with his main stunt doubles, Ook and Sprout. Elmo, Kasper, Oh Oh, Swoops and Bandit would also step up for the role.

Male Snowy owls were chosen to portray the female Hedwig because she was white. The male owls are whiter than females. Additionally, they were smaller and easier for young actors to handle.


Dragon Blood Has 12 Discovered Uses

25 Strange Harry Potter Facts Fact 17

Hagrid uses bloody dragon steak on injuries. Slughorn uses the blood to fake an attack by Death Eaters. But the practical uses? Spot remover and oven cleaner.


Molly Weasley Shrieked the Only Muggle Curse Word in the Series

25 Strange Harry Potter Facts Fact 18

There are several instances we are told Ron Weasley has cursed and Wizard cursing is used. But the only Muggle-known curse we hear is from Mrs. Weasley. In the Battle of Hogwarts, she shrieked “NOT MY DAUGHTER, YOU BITCH” right before killing Bellatrix Lestrange.


Daniel Radcliffe Had To Shave His Leg For Chamber of Secrets

25 Strange Harry Potter Facts Fact 19
When producers realized Radcliffe was too hairy for 12-year-old Potter they decided to shave 1 of his legs. Thankfully the scene only needed to show Potter was missing a sock, so the entire leg was spared. They only shaved about 2 inches from his ankle.

Richard Harris Said No To Playing Albus Dumbledore 3 Times Before Accepting the Role

25 Strange Harry Potter Facts Fact 20

Harris stated he knew the films had great potential but at 71 he did not want to spend the rest of his years filming. It was his granddaughter who convinced him to take the role. She told him “If you don’t play Dumbledore then I will never speak to you again!”


Emma Watson Dedicated Her Britannia Award for British Artist of the Year to Millie

25 Strange Harry Potter Facts fact 21

Millie was Watson’s hamster that she brought along on set. Millie passed away mid-production of Sorcerer’s Stone. The crew built her a tiny hamster coffin, complete with velvet lining, and gave her a proper funeral


Mrs. P. Head Played Professor Minerva Mcgonagall's Animagus Form

25 Strange Harry Potter Facts Fact 22

She appears in Sorcerer’s Stone and is the perfect double. The grey tabby cat didn’t require any make-up or computer effects because her markings were already perfect.


Vincent Crabbe Didn't Appear in the Final Films

25 Strange Harry Potter Facts Fact 23

Although Crabbe was in all of the books, he was missing from the final films. Jamie Waylett, who portrayed Crabbe, was charged with possession and fired in 2009. He was sentenced to community service and later did jail time for his involvement in the London Riots.


Draco Malfoy's Robe Pockets Were Sewn Shut

25 Strange Harry Potter Facts Fact 24

Thomas Felton, who played Malfoy, had a habit of sneaking food on set. When producers figured him out, not until the 3rd movie, they sewed his pockets shut. Felton confessed saying, “I want to clear this up because that is absolutely true!”


Albus Dumbledore was Named After Bumblebees

25 Strange Harry Potter Facts Fact 25

The headmaster got his name inspiration from one of his many passions, music. Dumbledore translates to bumblebee in Old English. Rowling chose this because she imagined him “walking around and humming to himself.”

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