Adrian Dunbar
as Superintendent Edward "Ted" Hastings
Martin Compston
as DS Steve Arnott
Vicky McClure
as DS Kate Fleming
Craig Parkinson
as DI Matthew "Dot" Cottan
Keeley Hawes
as DI Lindsay Denton
Kelly Macdonald
as DCI Joanne Davidson
Thandiwe Newton
as DCI Roseanne "Roz" Huntley
Lennie James
as DCI Tony Gates
Stephen Graham
as DS John Corbett
Anna Maxwell Martin
as DCS Patricia Carmichael
Jason Watkins
as Tim Ifield
Daniel Mays
as Sgt. Danny Waldron
Jessica Raine
as DC Georgia Trotman