Helena Mattsson was 22 in Species: The Awakening when she played the character 'Miranda Hollander'.
That was over 17 years ago in 2007.
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 26 movies in total, 24 of those since Species: The Awakening was released.
In Species: The Awakening, I think Helena Mattsson looks: