Tom McGrath was 22 in Lea Press on Limbs when he played an uncredited character.
That was over 36 years ago in 1988.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 59, and has starred in 26 movies in total, 25 of those since Lea Press on Limbs was released.
In Lea Press on Limbs, I think Tom McGrath looks: