Guest Stars Simon Hubbard as PC Taylor Lisa McGrillis as Sergeant Rachel Coles Michael Socha as Joe Turner Jack Deam as Billy Shearer Lucy Cohu as Margaret Turner Ralph Ineson as Arthur Hawkes Poppy Lee Friar as Hannah Hawkes Rick Warden as Dennis Morden Simon Greenall as Peter Turner Nicholas Rowe as Martin Langham Lewis Reeves as Sam Hawkes Dale Meeks as Panda Wheelan Jacqueline Phillips as Lillian Anna Bolton as Nurse Janet