Alexandra Maria Lara was 15 in Ich begehre dich when she played the character 'Mädchen am Bahnhof'.
That was over 28 years ago in 1995.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 44, and has starred in 56 movies in total, 55 of those since Ich begehre dich was released.
In Ich begehre dich, I think Alexandra Maria Lara looks: