Danny DeVito was 24 in Dreams of Glass when he played the character 'Thug'.
That was over 53 years ago in 1970.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 78, and has starred in 129 movies in total, 124 of those since Dreams of Glass was released.
In Dreams of Glass, I think Danny DeVito looks: