Hannah John-Kamen was 24 in The Ark when she played the character 'Nahlab'.
That was over 9 years ago in 2015.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 34, and has starred in 11 movies in total, 9 of those since The Ark was released.
In The Ark, I think Hannah John-Kamen looks: