Radha Mitchell was 21 in Love and Other Catastrophes when she played the character 'Danni'.
That was over 28 years ago in 1996.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 50, and has starred in 60 movies in total, 59 of those since Love and Other Catastrophes was released.
In Love and Other Catastrophes, I think Radha Mitchell looks: