Harry Potter and the Sorcerer's Stone marks 25 years since its debut in November 2001. As the film completes 25 glorious years, the franchise's ensemble has undergone an extraordinary evolution, having started as young newcomers and has now have become established adults. On Harry Potter's 25th anniversary, here's a look at how the original stars have changed over the decades.

The first look of all major cast of the upcoming Harry Potter series by HBO has been unveiled. Here we take a side-by-side look of the actors who played the beloved characters in the movie vs the series