Little did J K Rowling know that when she penned a series of magical books, she would be the founder of a £600million business.
The novelist has amassed a personal wealth of £519million from the wizard stories, making her the world's wealthiest author according to the Sunday Times Rich List.
Actors of the film series, including rising stars Daniel Radcliffe and Emma Watson, have received an impressive £81million between them.
Daniel, currently filming the latest instalment, has been ranked the fifth wealthiest young Briton after clocking up a fortune of £42million, putting him ahead of Princes William and Harry.
And Robert Pattinson, 23, who made his name playing Cedric Diggory in Harry Potter and the Goblet of Fire, was listed at 14th with £13million.