Robert Sean Leonard was 16 in My Two Loves when he played the character 'Larry Taylor'.
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 55, and has starred in 29 movies in total, 28 of those since My Two Loves was released.
In My Two Loves, I think Robert Sean Leonard looks: