This is Sharon Mudie.
She played Ashley in Bochum from 1999 to 2000.
She's still understudying Ashley there.
Here's a picture of her:

She has also played Dinah, Buffy and Wrench in London.
Here are two pictures of her as Dinah and Buffy:

JULIA'S REVIEW OF SHARON:
She had bad luck that she was in the cast I almost hated, well, at least didn't like very much. Anyway, her voice was the one you could wish for Ashley, full of that dark smoke and sounding really seductive.