Amanda Donohoe was 22 in Star Quality when she played the character 'Understudy'.
That was over 39 years ago in 1985.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 61, and has starred in 36 movies in total, 34 of those since Star Quality was released.
In Star Quality, I think Amanda Donohoe looks: