John Slattery was 27 in Before the Storm when he played the character 'Graham Parker'.
That was over 33 years ago in 1991.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 61, and has starred in 44 movies in total, 42 of those since Before the Storm was released.
In Before the Storm, I think John Slattery looks: