Guest Stars Anna Maxwell Martin as Kelly Major Rosie Cavaliero as DCS Dennett Amanda Payton as Dr. Alison Parfit Michelle Greenidge as DS Judith Papastathopoulos Richard Gadd as Liam Cleasby Steven Meo as DI Paul Stokes Meera Syal as Elizabeth Churchland Beau Fowler as Pigtails Sam Lathem as Prison Guard Omar Ibrahim as Care Home Manager
