Sidse Babett Knudsen was 26 in Charlot og Charlotte when she played the character 'Helle'.
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 55, and has starred in 48 movies in total, 46 of those since Charlot og Charlotte was released.
In Charlot og Charlotte, I think Sidse Babett Knudsen looks: