Guest Stars Anna Maxwell Martin as Kelly Major Rosie Cavaliero as DCS Dennett Amanda Payton as Dr. Alison Parfit Tracy-Ann Oberman as Helen Chalmers Steve Oram as DI Gilbert Emily Lloyd-Saini as DI Ryle Michelle Greenidge as PC Williams (not Judy) Anna Leong Brophy as The Voice of A.L. David Shelley as Priest Richard Pepple as Kristof Faith Edwards as Civil Servant Leila Hoffman as Mrs. Latimer
