This Line of Duty detective appeared in Death in Paradise - did you spot them?
© @Copyright HELLO! Hello! Magazine Death in Paradise has welcomed some huge stars over the years, but did you know a certain member of AC-12 appeared in the beloved series? MORE: 6 questions we need answering in Line of Duty series six finaleLine of Duty's very own DI Steve Arnott actor Martin Compston paid a visit to the island of Saint Marie way back in season five, when Humphrey Goodman, portrayed by Kris Marshall, was still the show's main detective.