Mark Hamill was 41 in Batman: Mask of the Phantasm when he played the character 'The Joker (voice)'.
That was over 30 years ago in 1993.
Today he is 72, and has starred in 158 movies in total, 121 of those since Batman: Mask of the Phantasm was released.
In Batman: Mask of the Phantasm, I think Mark Hamill looks: