As most Harry Potter fans will know, J.K. Rowling told Alan Rickman about Snape’s story arc before he made his onscreen debut as the character. What many people do not know is that due to this knowledge, the actor would often argue with the directors because he knew something they did not.
Jason Isaacs, who played villain Lucius Malfoy in Harry Potter, was caught attempting to steal his character’s wand from the set. Malfoy on film, Malfoy by nature.
Harry Potter didn’t just encourage people to pick up a book, but it also changed the UK’s child labour laws. The laws were changed ahead of the first Harry Potter film to add a small number of working hours per week and to make on-set classes more flexible.
Most people were astounded by Matthew Lewis’s transformation from hapless geek (Neville Longbottom) to handsome man once Harry Potter was over. What many fans don’t know is that Matt actually wore a fat suit and fake teeth to make his character appear unattractive.
In Harry Potter and the Chamber of Secrets, Lucius Malfoy says the scripted line “let us hope Mr. Potter will always be around to save the day”, but 12-year-old Daniel Radcliffe improvised the line, “don’t worry, I will be”.