
A police computer expert is seconded to Belfast to track down the identity of an IRA mole.

Freddie Ross

Donal McCarthy

Chief Inspector Daisy Burke

Dermot Shea

Daniel Kent
Thomas Mallin

Eamon Duffy

Clare Barrett

Maureen Barrett
Sean Scanlon

Asst. Chief Con. Gilbert
Frank Gallagher
Dominic
Duggan
Mrs Duffy

Kathy Ross
Devlin
Jack
Padraig Redmond
Kevin Brady
Vincent Knox

Bryant

Miss Singleton

PC PIggott

Scanlon's Girl
Eugene Byrne McManus

Insp. Massey

Collins
Reilly
Commander Allenby

O'Brien
Father Driscoll
Fish Bar Owner
TV Interviewer
Police Constable
Det. Sgt. Gray

Det. Insp. Jenkins

Quinn
Builder

Terrorist (uncredited)