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