Producer David Heyman and director David Yates describe the casting process for the young Albus.
The actress made the exciting announcement at New York Comic Con on Wednesday.
The origins of Voldemort's infamous snake are confirmed in the Harry Potter prequel.
A standard denial might have been a more orthodox response to the news that Henry Cavill is – reportedly – quitting the role of Superman.
Henry Cavill discusses Justice League and future of his Superman with Yahoo during the press tour for Mission: Impossible 6.
Solo star Donald Glover and Ryan Gosling are said to be among those leading the shortlist to play the new Willy Wonka.