John Lithgow, who is American, is nearing a deal to portray Professor Albus Dumbledore in HBO ‘s upcoming “Harry Potter” ...

The Harry Potter films have many surprises, but some of the biggest from the books never made it to the big screen.

Here’s a sampling of them. Do you know the meaning behind Harry Potter spells like Expelliarmus and Wingardium Leviosa? How about where Dumbledore’s name comes from, or the debated etymology ...