Uncredited Heather Cave as Maisie Simm Megan Dodds as Christine Dale Derek Riddell as Steven Ken Bones as Keith Burns Adam Kotz as Dr Mike Lynott Rachel Power as Rachel Kay Noone as Elderly Woman Lisa Eichhorn as Mary Kane Oliver Fox as Clive Paul Broughton as Paul Paul Haigh as Rob Nicholas Lamont as John Kerry Rolfe as Osprey Karen Westwood as Dr Karen Lynott Royce Mills as Toby McInnes Alexandra Robinson as Sarah Lynott