Sarah Bolger was 7 in A Secret Affair when she played the character 'Helena Fitzgerald'.
That was over 25 years ago in 1999.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 33, and has starred in 20 movies in total, 19 of those since A Secret Affair was released.
In A Secret Affair, I think Sarah Bolger looks: