 | Liam Neeson als Alistair Little |
 | James Nesbitt als Joe Griffin |
 | Anamaria Marinca als Vika |
 | Mark Ryder als Young Alistair - 1975 |
 | Niamh Cusack als Alistair's Mum - 1975 |
 | Paul Garrett als Alistair's Dad - 1975 |
 | Gerard Jordan als Jim - 1975 |
 | Conor MacNeill als Dave - 1975 |
 | Diarmuid Noyes als Andy - 1975 |
| Mathew McElhinney als Stuart - 1975 |
 | Barry McEvoy als Joe's Chauffeur |
 | Richard Dormer als Michael |
 | Andrea Irvine als Sarah |
| Pauline Hutton als Sharon |
| Katy Gleadhill als Fiona |
 | Jonathan Harden als David |
 | Stella McCusker als Stephanie |
| Daniel McClean als Liam |
| Emma Neill als Katie |
| Amber O'Doherty als Kirsty |
 | Paul Kennedy als Sound Recordist |
 | Lalor Roddy als Landlord |
| Paula McFetridge als Joe's Mum - 1975 |
| Gerry Doherty als Joe's Dad - 1975 |
| Luke O'Reilly als Brother Dan - 1975 |
| Luke McEvoy als Brother John - 1975 |
| Kevin O'Neill als Young Joe - 1975 |
| Carol Moore als Susan - 1975 |
| Aoibheann Biddle als Sister #1 - 1975 |
| Ruth Mathewson als Sister # 2 - 1975 |
| Louis Rolston als Former UVF Commander |
| Stephen Wright | Producer |
| Guy Hibbert | Screenplay |
| Oliver Hirschbiegel | Director |
| Eoin O'Callaghan | Producer |
| David Holmes | Original Music Composer |
| Leo Abrahams | Original Music Composer |
| Andrew Lowe | Executive Producer |
| Ed Guiney | Executive Producer |
| Ruairi O'Brien | Cinematography |
| Hans Funck | Editor |
| Maggie Donnelly | Costume Design |
| Gillian Devenney | Art Direction |
| Mark Lowry | Production Design |
| Georgia Simpson | Casting |
| David Holmes | Music |
| Leo Abrahams | Music |
| Cameron McCracken | Executive Producer |
| François Ivernel | Executive Producer |
| Marshall Leviten | Line Producer |
| Don Mullan | Associate Producer |
| Patrick Spence | Executive Producer |
| Paul Trijbits | Executive Producer |
| Toby Babst | Thanks |
| An Dorthe Braker | Thanks |
| Bernd Eichinger | Thanks |
| Joe Griffin | Thanks |
| Mechthild Holter | Thanks |
| Alistair Little | Thanks |
| Jane Bridgeman | Music Supervisor |
| Lynda Marshall | Script Supervisor |
| Andschana Eschenbach | Assistant Editor |
| Nicola Bailey-James | Location Assistant |
| Kevin Byrne | Special Effects Supervisor |
| Mike Branton | Visual Effects |
| Marie A. Jones | Visual Effects |
| John Kennedy | Visual Effects Supervisor |
| Brendan Condren | Stunt Double |
| Joe Condren | Stunt Coordinator |
| Tommy Sheen | Stunt Double |
| John Sheridan | Stunts |
| Paul Valentine | Stunt Coordinator |
| Peter Nightingale | First Assistant Director |
| Samantha Ross | Third Assistant Director |
| Richard Wilson | Trainee Production Coordinator |
| Jack Hamill | Assistant Director |
| Darren Fee | Second Assistant Director |
| Lynne Davison | Assistant Director |
| Sean Roe Curran | Assistant Director |
