Zooey Deschanel was 18 in Mumford when she played the character 'Nessa Watkins'.
That was over 25 years ago in 1999.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 44, and has starred in 52 movies in total, 51 of those since Mumford was released.
In Mumford, I think Zooey Deschanel looks: