Guest Stars Henry Ian Cusick as Jason Derek Riddell as Lewis Chrissie Furness as Mrs. Martin Ken Hudson Campbell as Adam Salter Will Tacey as Reg Newberry Andrew Cryer as Paul O'Sullivan Clare Malka as Alex Brown Ewan Thompson as Dave Grazyna Monvid as Louise Newberry Iona Grant as Lorna Merriman Kourosh Asad as Dr. Parviz Yazdoni Neville Hutton as Tim