John Wayne was 17 in Brown of Harvard when he played the character 'Yale Football Player (uncredited)'.
That was over 98 years ago in 1926.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1979 he died aged 72, starring in 229 films in his career, 228 of those after Brown of Harvard was first released. If he were alive today he would be 117.
In Brown of Harvard, I think John Wayne looks: