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.

Think you know Hogwarts and Westeros? From Michelle Fairley to Natalia Tena, these actors appeared in both the Harry Potter and Game of Thrones worlds.