Daniel Radcliffe was 13 in Harry Potter and the Prisoner of Azkaban when he played the character 'Harry Potter'.
That was over 20 years ago in 2004.
Today he is 34, and has starred in 42 movies in total, 38 of those since Harry Potter and the Prisoner of Azkaban was released.
In Harry Potter and the Prisoner of Azkaban, I think Daniel Radcliffe looks: