Polly Walker was 22 in Lorna Doone when she played the character 'Lorna Doone'.
That was over 34 years ago in 1990.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 57, and has starred in 28 movies in total, 27 of those since Lorna Doone was released.
In Lorna Doone, I think Polly Walker looks: