Jaime Pressly was 18 in Mercenary when she played the character 'Pre-Teen American Girl'.
That was over 28 years ago in 1996.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 46, and has starred in 35 movies in total, 33 of those since Mercenary was released.
In Mercenary, I think Jaime Pressly looks: