Murray Hamilton was 20 in Song of the Open Road when he played the character 'Crop Corps Kid (uncredited)'.
That was over 80 years ago in 1944.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1986 he died aged 63, starring in 60 films in his career, 60 of those after Song of the Open Road was first released. If he were alive today he would be 101.
In Song of the Open Road, I think Murray Hamilton looks: