Lady Catherine is a Sidhe, played by Kirsten.
Background
Lady Catherine is the holder of Waldren House, and a Baroness of House Fiona. Even before she became a Sidhe, she lived at the house with Jacoby.
Although a potentially powerful figure at court, until recently Lady Catherine has shied away from that scene, preferring to concentrate her attention on her art, and the mortal artists who spend time at Waldren House.
Physical Description
Mortal Seeming
In her mortal guise, Lady Catherine appears as a late middle-aged woman, though still beautiful. She has strawberry blonde hair and bright blue-violet eyes. She dresses in dresses or skirts with matching tops, which suit her tall thin frame, lending her a graceful and slightly formal air.
Faerie Form
All the typically Sidhe aspects of Lady Catherine's mortal seeming are exaggerated in her faerie form. She is taller, more beautiful, her eyes positively shine, and her long clothing sweeps about her as if a living thing. There is also a touch of fierceness in her that rarely shows itself in her mortal form.