The story of how Detective Superintendent Steve Fulcher deliberately breached police procedure and protocol to catch a killer, a decision that ultimately cost him his career and reputation.
Martin Freeman
Steve Fulcher
Siobhan Finneran
Elaine Pickford
Imelda Staunton
Karen Edwards
Peter Wight
Charlie Edwards
Derek Riddell
Pete
Owain Arthur
DI Sean Memory
Jake Davies
Liam O'Callaghan
Jessica D'Arcy
Lora O'Callaghan
