Overview
- The BBC unveils a complete roster that brings back Mark Bonnar, Owen Teale, Perry Fitzpatrick and Christina Chong, alongside newcomers Laura Aikman, Levi Brown, Amy Leigh Hickman, David Calder, Steven Elder, Dominic Mafham, Sarah Andre White, Aimee Powell and Naomi Yang.
- Tom Weston-Jones is cast as DI Dominic Gough, who leads Tactical Operations Unit 7 and faces allegations of abusing his position of trust.
- Robert Carlyle plays DC Shaun Massie, a Specialist Rifle Officer tied to TO-7, following a table read that creator Jed Mercurio praised for Carlyle’s "mesmerising" performance.
- The official synopsis says AC-12 has been disbanded and rebranded the Inspectorate of Police Standards, with Arnott, Fleming and Hastings assigned a highly sensitive case that may conceal a larger threat.
- Filming is scheduled to start in Belfast this spring with episodes 1–3 directed by Jennie Darnell and 4–6 by Jed Mercurio, and outlets report a 2027 premiere on BBC One and BBC iPlayer.