MI5

Hook: MI5’s island of misfit spies.

Infighting: Oscar nominee Kristin Scott Thomas, as MI5’s “Second Desk” deputy director Diana Taverner, constantly undermines Lamb in order to bolster her own power.

A victim of abuse at Kincora Boys' Home has received an undisclosed settlement after claims a paedophile housemaster was protected from being prosecuted due to being an MI5 agent.

It was alleged that Royal Ulster Constabulary officers were prevented from investigating McGrath due to his role as an MI5 agent.

Ms Metreweli, who studied anthropology at the University of Cambridge, has previously held director level roles in MI5 - MI6's sister, domestic security agency - and spent most of her career working in the Middle East and Europe.