Guest Stars Anna Maxwell Martin as Kelly Major Rosie Cavaliero as DCS Dennett Amanda Payton as Dr. Alison Parfit Richard Gadd as Liam Cleasby Steve Oram as DI Gilbert Emily Lloyd-Saini as DI Ryle Michelle Greenidge as PC Williams (not Judy) Anna Leong Brophy voices The Voice of A.L. Richard Pepple as Kristof Montel Douglas as Cleasby's Supplier
