New Traitors contestants include detective, crime writer and psychologist

BBC reveals latest cast, which also features cybersecurity expert, sweet shop assistant and personal trainer

A retired police detective, a crime writer and a psychologist are among the next cohort of contestants to enter The Traitors’ castle, as the BBC revealed details of the latest series of its smash-hit sleuthing show.

A sweet shop assistant, a cybersecurity expert and a personal trainer are also among those to be divided into plotting “traitors” and the “faithfuls” tasked with unmasking them.