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