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 appear across episodes, credited with Extras Wrangler credited in full listings. Main cast return for multiple seasons, alongside Steve Arnott, Kate Fleming, Ted Hastings, plus major roles. Recent summaries note new or recurring faces in later seasons, as well as detailed cast lists and character descriptions. Crowd scenes credited under Extras Wrangler in season entries. Line of Duty (2012-2026) cast also mirrors background and supporting credits across episodes.