Alun Armstrong

Character: Asst. Chief Const. George Oldfield

Richard Ridings

Character: Det. Supt. Dick Holland

John Duttine

Character: Det. Chief Supt. Jim Hobson

James Laurenson

Character: Chief Constable Ronald Gregory

Gerard Horan

Character: Detective Chief Superintendent John Domaille

Stephen Moore

Character: Professor David Gee

Tim Dantay

Character: DC Cleasby

Maggie Ollerenshaw

Character: Margaret Oldfield

Kimberley Walsh

Character: Gillian Oldfield

Mark Benton

Character: Terence Hawkshaw

Sue Cleaver

Character: Sylvia Holland

Ted Robbins

Character: Chauffeur

Vinette Robinson

Character: Rita Rytka

Paul Angelis

Character: DCS Jack Ridgeway

Dominic Monaghan

Character: Jimmy Furey

Craig Cheetham

Character: Peter Sutcliffe

Pip Donaghy

Character: DCS Wilf Brooks

John Graham Davies

Character: DI Tony Glendenning

Andrew Readman

Character: DS Peter Smith

David Prosho

Character: DS Parks

Jim Millea

Character: DI John Boyle

Katharine Rogers

Character: WPC Sue Neave

Simon Lenagan

Character: DC Cambrook

John Griffin

Character: DC Garrett

Matthew Lewis

Character: Christopher Oldfield, aged 9

Sam Townend

Character: Christopher Oldfield, aged 13

Laura Crossley

Character: Tracey Browne

Christine Mackie

Character: Mrs Browne

James Quinn

Character: DS Desmond O'Boyle

Mike Savage

Character: DCS Clark

Howard Ward

Character: Det Supt John Stainthorpe

Keiran Flynn

Character: DC Laptew

Kate Rutter

Character: Jane Barker