Michael Kelly was -17 in Street of Shadows when he played the character 'Seaman West, the combative "john"'.
That was over 71 years ago in 1953.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 55, and has starred in 31 movies in total, 30 of those since Street of Shadows was released.
In Street of Shadows, I think Michael Kelly looks: