John Heard was 29 in Valley Forge when he played an uncredited character.
That was over 48 years ago in 1975.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 2017 he died aged 72, starring in 121 films in his career, 120 of those after Valley Forge was first released. If he were alive today he would be 79.
In Valley Forge, I think John Heard looks: