Camilla Borde-Davis. Also known as Milli Davis and Camilla Jackson. You can see her IMDB profile here.
I’m sure this will be a question in a pub trivia night competition sometime soon.
Camiila is known as the iSelect girl, and she pushes the iSelect insurance company product.
(This iSelect video is gone: https://www.youtube.com/watch?v=DPmyqu7g9oY)
She can also be seen in the Jim Bean “The Stalker” ad.
Update March 2013:
The Ad Agency responsible for the iSelect concept was Starship. You can see copies of the iSelect Girl videos on their website here.