DCC John Stalker
Jack Shepherd
DCS John Thorburn
David Calder
E4A Officer
Emer McCourt
DS Eileen Scarrett
Jane Cunliffe
Pat Finucane
Niall Cusack
DCI Jim Smellie
Fraser Downie
Christopher Dunne
MI5 Senior Officer
Peter Cellier
Expert
Colin Carnegie
Soldier
Paul Brennan
Professor
Denys Hawthorne
DPP
James Greene
Detective Inspector
Patrick Drury
E4A Information Handler
Gerard Horan
DS Keith Farrington
Mark Jordon
B.J. Hogg
CID Supt. Jimmy Richards
Des McAleer
SB Constable
Mark Moraghan
Special Branch Superintendent
Michael O'Hagan
Jervais McKerr
Tip Tipping
Kavin Taylor
Nick Stringer
Judge Kelly
Kevin Stoney
DI Brian Jackson
Michael Simkins
Constable 'Y'
Daragh O'Malley
Training Assistant
David J. Nicholls
Special Branch Officer
Steve Money
ACC Trevor Forbes
Ian McElhinney
Chief Information Officer
James Duggan
ACC
George Mooney
Harmon's Secretary
Peter Vollebregt
Sergeant
Hugo Conlon
Constable David Brannigan
Gary Whelan
Constable Frederick Robinsin
Ray Ashcroft
Sergeant 'X'
Aaron Harris
DCI Samuel George Flanagan
George Shane
Constable 'Z'
Dick Holland
SSU Officer
Terry Gilligan
Sgt Quinn
Steve Halliwell
Constable McCoy
Derek Young
RUC Sgt.
Des Nealon
Martin McCauley
Breffni McKenna
Sheila Stalker
Barbara Marten
Chief Constable Colin Sampson
Richard Butler
Mr Lavery
John Keyes
Constable John Robinson
Richard Hawley
Chief Constable Sir John Harmon
T. P. McKenna
DI Gaffrey
Philip Bretherton
Michael Tighe
Barry Birch
Magistrate
Vass Anderson
Director
Peter Kosminsky
Associate Producer
Keith Richardson
Music
Rachel Portman
Writer
Michael Eaton
Producer
Nigel Stafford-Clark
Cinematography
Alan Pyrah
Editor
David Aspinall
Casting
Maggi Sangwin
Sue Whatmough