Katie Holmes was 17 in The Ice Storm when she played the character 'Libbets Casey'.
That was over 27 years ago in 1997.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 45, and has starred in 39 movies in total, 36 of those since The Ice Storm was released.
In The Ice Storm, I think Katie Holmes looks: