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