John Mahoney was 39 in Hudson Taylor when he played an uncredited character.
That was over 43 years ago in 1981.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 2018 he died aged 77, starring in 50 films in his career, 49 of those after Hudson Taylor was first released. If he were alive today he would be 83.
In Hudson Taylor, I think John Mahoney looks: