Tom Felton was 15 in Harry Potter and the Prisoner of Azkaban when he played the character 'Draco Malfoy'.
That was over 20 years ago in 2004.
Today he is 36, and has starred in 41 movies in total, 33 of those since Harry Potter and the Prisoner of Azkaban was released.
In Harry Potter and the Prisoner of Azkaban, I think Tom Felton looks: