24 Harry Potter secrets even the most diehard Potterheads won't know
You may think you know all there is to know about the famous boy wizard and his friends but we guarantee you don't! Here are 24 of the most surprising unknown facts about the Harry Potter series.
The graphic design team painstakingly handwrote hundreds of letters to be used in the film, only to discover that the paper they had used was to heavy for the owls to carry. They had to start again with lighter paper!
Rupert Grint, Daniel Radcliffe and Emma Watson didn't have to act their amazement during the Sorting scene in the first film. It was genuinely their first time seeing the Great Hall set.
Over the course of filming the 8 movies, Daniel Radcliffe went through no less than 160 pairs of glasses and 80 wands as he kept breaking them!
Moaning Myrtle is supposed to be a teenager but she was played by Shirley Henderson, who was aged 41 at the time!
J.K. Rowling first thought of Harry Potter whilst on a train. Also, her parents first met on a train between Kings Cross and Scotland - just like the Hogwarts Express.
The soul-sucking Dementors are a metaphor for depression, which J.K. Rowling had previously suffered from.
As a reward, Daniel Radcliffe's parents let him go to bed half an hour later than usual the night he found out he'd got the role.
Two versions of Hagrid's hut were built for the films. One was enormous to make the actors look small in comparison and one was normal-sized to make Hagrid look giant.
The popularity of the Harry Potter series sadly led to a spate of owls being adopted and then abandoned in the UK.
Hagrid's enormous beard was made up of six hairpieces. Lots of things ended up getting stuck in it over the course of filming!
J.K. Rowling had written the ending to the seventh book before she'd even finished writing the first!
Harry Potter and the Deathly Hallows earned 90 million dollars more than the most successful Twilight film.