Brian Dennehy was 43 in First Blood when he played the character 'Hope Sheriff Will Teasle'.
That was over 41 years ago in 1982.
In 2020 he died aged 81, starring in 133 films in his career, 113 of those after First Blood was first released. If he were alive today he would be 84.
In First Blood, I think Brian Dennehy looks: