Kevin Spacey was 26 in Heartburn when he played the character 'Subway Thief'.
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 64, and has starred in 89 movies in total, 86 of those since Heartburn was released.
In Heartburn, I think Kevin Spacey looks: