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