Cathryn is a young woman, recently graduated from university after 19 semesters. She is living (and has since uni) with Bernard and Mike, sharing a loft in London.
She has always been idealistic and works still to change the world for the better for the downtrodden. Her father she has little contact with.
Her room is filled with paintings and a climbing wall. She has studied art and is very fond of her old friend and tutor, Robert McBride.
She is compassionate and can sympathise with most people, even those she consider to be bad people.