Andrea Riseborough
Colette McVeigh
Gillian Anderson
Kate Fletcher
David Wilmot
Kevin Mulville
Maria Laird
Young Collette
Michael McElhatton
Liam Hughes
Morgan Watkins
MI5 Officer
Karl Shiels
Mulville's Driver / Gunman
Mark Huberman
RUC Officer at Hospital
Ronnie McCann
RUC Constable
Eoin Murtagh
Louie, Fletcher's Son
Alan Devine
Social Club Barman
Ian Patterson
News Reporter
David Herlihy
Senior Staff Officer
Kate Nic Chonaonaigh
Henderson's Wife
Lisa Walsh
Brendan's Girlfriend
James Greene
British Soldier (uncredited)
Anna Elizabeth McGrath
Mourner (uncredited)