Martin Balsam was 28 in Concerning a Woman of Sin when he played an uncredited character.
That was over 75 years ago in 1949.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1996 he died aged 76, starring in 101 films in his career, 100 of those after Concerning a Woman of Sin was first released. If he were alive today he would be 104.
In Concerning a Woman of Sin, I think Martin Balsam looks: