A police computer expert is seconded to Belfast to track down the identity of an IRA mole.
Eamon Boland
Freddie Ross
Tony Doyle
Donal McCarthy
Sean Caffrey
Chief Inspector Daisy Burke
Des McAleer
Dermot Shea
Denys Hawthorne
Daniel Kent
Alan Devlin
Eamon Duffy
Emer Gillespie
Clare Barrett
Hilary Reynolds
Maureen Barrett
Robert Blythe
Asst. Chief Con. Gilbert
Lesley Nightingale
Kathy Ross
Tom Chadbon
Bryant
Sheila Ruskin
Miss Singleton
Christopher Dunne
PC PIggott
Michelle Fairley
Scanlon's Girl
George Shane
Insp. Massey
Aaron Harris
Collins
Michael O'Hagan
O'Brien
Denis DeMarne
Det. Insp. Jenkins
B.J. Hogg
Quinn
Graham Cole
Terrorist (uncredited)