Jaimie Alexander was 20 in The Other Side when she played the character 'Hanna Thompson'.
That was over 18 years ago in 2006.
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 18 movies in total, 16 of those since The Other Side was released.
In The Other Side, I think Jaimie Alexander looks: