Narrator: J.K. Rowling is a never-ending vault of stories, so it's no surprise that her fortune is similar. The beloved Harry Potter author has done her best to keep the details of her wealth ...

Rupert Grint is best known for appearing in the Harry Potter movies. (Photo by Cindy Ord/Getty Images) The fortune of Harry Potter star Rupert Grint jumped to more than £30m in the year before ...