Merritt Wever was 15 in Arresting Gena when she played the character 'Tammy'.
That was over 27 years ago in 1997.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 43, and has starred in 26 movies in total, 24 of those since Arresting Gena was released.
In Arresting Gena, I think Merritt Wever looks: