Eli Wallach was 86 in Mystic River when he played the character 'Mr. Loonie (uncredited)'.
That was over 21 years ago in 2003.
In 2014 he died aged 98, starring in 135 films in his career, 25 of those after Mystic River was first released. If he were alive today he would be 108.
In Mystic River, I think Eli Wallach looks: