Kathleen Robertson was 16 in Lapse of Memory when she played the character 'Patrick (Melody)'.
That was over 33 years ago in 1991.
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 34 movies in total, 33 of those since Lapse of Memory was released.
In Lapse of Memory, I think Kathleen Robertson looks: