Danny Trejo was 40 in Runaway Train when he played the character 'Boxer'.
That was over 39 years ago in 1985.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 80, and has starred in 290 movies in total, 285 of those since Runaway Train was released.
In Runaway Train, I think Danny Trejo looks: