Line of Duty cast: full list of returning and guest stars | Radio Times
Your essential guide to the cast of Line of Duty.
www.radiotimes.comExtras include across episodes, credited in full cast listings with Additional Background Casting appearing in credits. Main cast return for multiple seasons, alongside Steve Arnott, Kate Fleming, Ted Hastings, alongside other lead characters. Recent summaries note new or recurring faces in later seasons, as well as detailed cast lists and character descriptions. Background crowd credited under Extras in episodes. Line of Duty (2012-2026) cast also reflects background and supporting credits across season arcs.