Andrea Riseborough character Colette McVeigh
Clive Owen character Mac
Gillian Anderson character Kate Fletcher
Aidan Gillen character Gerry
Domhnall Gleeson character Connor
Bríd Brennan character Ma
David Wilmot character Kevin Mulville
Stuart Graham character Ian Gilmour
Martin McCann character Brendan
Maria Laird character Young Collette
Barry Barnes character Gerry Senior
Michael McElhatton character Liam Hughes
Gary Lydon character Geoff
Daniel Tatarsky character Watcher
Tom Bennett character Watcher #2
Nicholas Asbury character Agent
Morgan Watkins character MI5 Officer
Karl Shiels character Mulville's Driver / Gunman
Mark Huberman character RUC Officer at Hospital
Ronnie McCann character RUC Constable
Eoin Murtagh character Louie, Fletcher's Son
Alan Devine character Social Club Barman
Ben Smyth character Sean
Nia Gwynne character Female Watcher
Cathal Maguire character Mark
Ian Patterson character News Reporter
Alan O'Neill character RUC Officer
David Herlihy character Senior Staff Officer
Frank Smith character Henderson
Kate Nic Chonaonaigh character Henderson's Wife
Lisa Walsh character Brendan's Girlfriend
Una Carroll character Brendan's Mum
James Greene character British Soldier (uncredited)
Anna Elizabeth McGrath character Mourner (uncredited)
