Kevin J. O'Connor was 21 in One More Saturday Night when he played the character 'Hood'.
That was over 38 years ago in 1986.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 60, and has starred in 48 movies in total, 47 of those since One More Saturday Night was released.
In One More Saturday Night, I think Kevin J. O'Connor looks: