출연진
Jack Shepherd
DCC John Stalker
David Calder
DCS John Thorburn
Patrick Drury
Detective Inspector
Daragh O'Malley
Constable 'Y'
George Shane
DCI Samuel George Flanagan
Richard Hawley
Constable John Robinson
T. P. McKenna
Chief Constable Sir John Harmon
Philip Bretherton
DI Gaffrey
Barry Birch
Michael Tighe
Vass Anderson
Magistrate
Emer McCourt
E4A Officer
Jane Cunliffe
DS Eileen Scarrett
Niall Cusack
Pat Finucane
Fraser Downie
DCI Jim Smellie
Christopher Dunne
E4A Officer
Peter Cellier
MI5 Senior Officer
Colin Carnegie
Expert
Paul Brennan
Soldier
Denys Hawthorne
Professor
James Greene
DPP
Gerard Horan
E4A Information Handler