They often give a good account of themselves, as Felicity did opposite Patrick Wymark in The Power Game just before that undistinguished film, and Georgina in Danger Man, and I would expect long and distinguished careers in that case, but quite a few that I've liked were finished by the time they were 30 at least on screen.
She has big boobs and also big ass.
I'll try and get to work on some screencaps soon.