Some details may have been missed by some people in the Harry Potter films. But real fans know what to look out for in books and films.

Harry Potter was almost recast in the middle of the franchise. Professor Snape in all his scary presence didn't just pop out of author JK Rowling's head. There are further relationships between Professor Trelawney actress Emma Thompson, whose sister Sophie Thompson plays the ministry employee in “Harry Potter and the Deathly Hallows 1” That scene features a Slug Club boy who looks quite similar to Emma Watson's brother. Another connection also exists between the characters Bill Weasley (played by Domhnall Gleeson) and Mad Eye Moody ( played by Brendan Gleeson). The two actors are actually father and son and can also be seen on screen together. Find out even more exciting ‘Harry Potter’ facts that you probably didn’t know that you should know as a true fan. Click here to read the rest of the article.