Harrison: I felt a huge pressure about that with “Harry Potter” at first. But then, the early audiences responded incredibly, and applauded and screamed when we wanted them to, because it’s ...

With the first released in 1997, Harry Potter books have sold over 600 million copies worldwide. The much-anticipated HBO series is expected to bring a new generation to the stories of the ...

The network has filled the roles for famous 'Harry Potter' characters including Dumbledore, Snape, Hagrid and more.

Harrison: I felt a huge pressure about that with "Harry Potter" at first. But then, the early audiences responded incredibly, and applauded and screamed when we wanted them to, because it's live.