Emily Browning was 8 in The Echo of Thunder when she played the character 'Opal Ritchie'.
That was over 25 years ago in 1998.
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 20 movies in total, 19 of those since The Echo of Thunder was released.
In The Echo of Thunder, I think Emily Browning looks: