 | Gerard McSorley als Michael Gallagher |
 | Michèle Forbes als Patsy Gallagher |
 | Brenda Fricker als Nuala O'Loan |
 | Stuart Graham als Victor Barker |
| Peter Ballance als Mark Breslin |
 | Brendan Coyle als Detective Sergeant John White |
 | Ian McElhinney als Stanley McCombe |
 | Stanley Townsend als Sam Pollock |
 | Fiona Glascott als Cathy Gallagher |
| Pauline Hutton als Sharon Gallagher |
 | Kathy Kiera Clarke als Elizabeth Gibson |
| Claire Connor als Caroline Gibson |
| Gerard Crossan als Hugh |
 | Alan Devlin als Laurence Rush |
 | Francesco Quinn als Marion Radford |
 | Tara Lynne O'Neill als Carol Radford |
 | Lorcan Cranitch als Chief Constable Sir Ronnie Flanagan |
 | Chris Corrigan als Duty Sergeant |
| Sarah Gilbert als Patricia McLaughlin |
 | Kreeta Taponen als Nurse |
| Brid Ní Chumhaill als Anne McCombe |
| Brent Hearne als Pat Doherty |
| Pete Travis | Director |
| Ed Guiney | Producer |
| Caroline McManus | Post Production Supervisor |
| Arthur Lappin | Executive Producer |
| Paul Greengrass | Producer |
| Julie Busher | Art Direction |
| Mary Callery | Executive Producer |
| Andrew Lowe | Executive Producer |
| Mary Maguire | Casting |
| Mary Alleguen | Production Manager |
| Don Mullan | Producer |
| Donal Gilligan | Director of Photography |
| Clive Barrett | Editor |
| Dan Hubbard | Casting |
| Eimer Ní Mhaoldomhnaigh | Costume Design |
| Tristan Whalley | Executive Producer |
| Greg Brenman | Executive Producer |
| David Wilson | Production Design |
| Paul Greengrass | Writer |
| Tina Phelan | Makeup Artist |
| Fiona Hogan | Makeup Artist |
| Eileen Buggy | Key Hair Stylist |
| Jennifer Hegarty | Makeup Artist |
| Brendan McCarthy | Executive Producer |
| Louise Gaffney | Script Supervisor |
| Kevin Byrne | Special Effects Supervisor |
| Rory Bruen | Assistant Art Director |
| Simon Frame | Visual Effects Supervisor |
| Harriet Donington | Visual Effects Producer |
| Ciarán Tanham | Camera Operator |
| Patrick Redmond | Still Photographer |
| Guy Hibbert | Writer |
| Rosanne Flynn | Researcher |
| Sarah Hanna | Casting Associate |
