Voyd was the original London Volta:

Later she played Ashley and Buffy in London.
Here's a picture of her as Buffy:

She has also been on a couple of recordings;
Original London Cast Recording: Volta.
1992 London Recording: Buffy.

If you wanna see a really scary picture of Voyd as Ashley, go to Pearl's Domain.
Click on photos at the frames. Then you chose coaches; London, and there it is, the third picture from the left. Scary!