Guest Stars Anna Maxwell Martin as Kelly Major Rosie Cavaliero as DCS Dennett Amanda Payton as Dr. Alison Parfit Michelle Greenidge as DS Judith Papastathopoulos Tracy-Ann Oberman as Helen Chalmers Michael Armstrong as Officer Mike Louise Stewart as SOCO Hannah Bourne as Mrs Gavin James Grogan as DS Gavin Dixie Burton-Mays as School Girl
