Whilst Scales and Sanderson reprised their roles in the later television version, Cowper was considered too old to play a teenager on screen and the role went to Janine Wood. Just as David Spinx , her on-screen EastEnders partner, had small roles in the series prior to playing Keith Miller, Cowper had briefly played Lindsay, the mother of a schizophrenic called Matt, in April Cowper is the older sister of actress Nicola Cowper and the twin sister of the late Jackie Cowper, who was also an actress. From Wikipedia, the free encyclopedia. This biography of a living person needs additional citations for verification. Please help by adding reliable sources.