Maggie Grace was 18 in Murder in Greenwich when she played the character 'Martha Moxley'.
That was over 22 years ago in 2002.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 40, and has starred in 29 movies in total, 28 of those since Murder in Greenwich was released.
In Murder in Greenwich, I think Maggie Grace looks: