Wendy Crewson was 25 in Mazes and Monsters when she played the character 'Kate Finch'.
That was over 41 years ago in 1982.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 68, and has starred in 83 movies in total, 82 of those since Mazes and Monsters was released.
In Mazes and Monsters, I think Wendy Crewson looks: