That was over 5 years ago in 2016.
Today he is 69, and has starred in 103 movies in total, 9 since Batman: The Killing Joke was released.
In Batman: The Killing Joke, I think Mark Hamill looks:
Batman: The Killing Joke scores 6.2 out of 10 on The Movie Database.
Mark Hamill's first acting role was as 'Ken Newkirk' in Sarah T. - Portrait of a Teenage Alcoholic, released in 1975 when he was 23.