John Hannah

as D.S. Frankie Drinkall

John Duttine

as D.I. Eric Temple

Orla Brady

as D.S. Rebecca "Becky" Bennett

David Morrissey

as D.S. Jim Llewyn

Darrell D'Silva

as D.C. Warren Allen

Neil Dudgeon

as D.C. Marty Brazil

Andy Rashleigh

as D.C. Tony Bromley

Lennie James

as D.C. Bruce Hannaford

Peter Wight

as D.C. Ron Ludlow

Stephen Billington

as P.C. Alex Holder