Film review: The Substance (18) – seen at The Light Cinema, Wisbech Starring: Demi Moore, Margaret Qualley and Dennis Quaid Run time: Two hours, 21 minutes Director: Coralie Fargeat Hollywood great Demi Moore puts in one of her best-ever performances in this body horror thriller. Moore is superb as the fading celebrity Elisabeth Sparkle, who takes a black-market cell-replicating drug that temporarily creates a younger, better version of herself. For a week the young, beautiful and vivacious Sue (Qualley) is loved wherever she goes – especially by the men in the TV industry – while Elisabeth la…