Madeline Zima was 5 in The Hand that Rocks the Cradle when she played the character 'Emma Bartel'.
That was over 32 years ago in 1992.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 38, and has starred in 34 movies in total, 33 of those since The Hand that Rocks the Cradle was released.
In The Hand that Rocks the Cradle, I think Madeline Zima looks: