Mark Hamill was 65 in Star Wars: The Last Jedi when he played the character 'Luke Skywalker / Dobbu Scay (voice)'.
That was over 6 years ago in 2017.
Today he is 72, and has starred in 158 movies in total, 21 of those since Star Wars: The Last Jedi was released.
In Star Wars: The Last Jedi, I think Mark Hamill looks: