The wizarding world of Harry Potter is full of hidden details and magical secrets. But funnily enough, most of the fascinating stories from the movie franchise happened off-camera.
Including a little-known love triangle, here are 18 facts about the Harry Potter movies that you probably don't know.
But first, let's reminisce. Here's a look back at the success of Harry Potter. Post continues below.
1. The little-known love triangle.
The Harry Potter franchise not only launched the careers for many actors but it also included some well-known names, including Alan Rickman, Ralph Fiennes, Helena Bonham Carter, Emma Thompson and Kenneth Branagh.
But something you might not know is that those final three names were involved in a little-known love triangle.
In 1989, Emma Thompson, who played Professor Trelawny, and Kenneth Branagh, who played Gilderoy Lockhart, got married.