 | Colin Farrell als Ray |
 | Brendan Gleeson als Ken Daley |
 | Ralph Fiennes als Harry Waters |
 | Clémence Poésy als Chloë Villette |
 | Thekla Reuten als Marie |
 | Jordan Prentice als Jimmy |
 | Elizabeth Berrington als Natalie Waters |
 | Jérémie Renier als Eirik |
 | Mark Donovan als Overweight Man |
 | Eric Godon als Yuri |
 | Anna Madeley als Denise |
 | Theo Stevenson als Boy in Church |
 | Olivier Bonjour als Film Director |
 | Zeljko Ivanek als Canadian Guy |
 | Rudy Blomme als Ticket Seller |
| Jamie Edgell als Boat Driver (uncredited) |
| Sachi Kimura als Imamoto |
| Jean Mark Favorin als Policeman |
| Emily Thorling als Overweight Woman |
| Ann Elsley als Overweight Woman #2 |
| Inez Stinton als Kelli |
| Ran Yaniv als Barman |
 | Ciarán Hinds als Priest (uncredited) |
| Stephanie Carey als Canadian Girl (uncredited) |
| Susan Ateh als Ken's Wife (uncredited) |
| Tessa Ross | Executive Producer |
| Jina Jay | Casting |
| Carter Burwell | Original Music Composer |
| Jany Temime | Costume Design |
| Jon Gregory | Editor |
| Nigel Heath | Sound Re-Recording Mixer |
| Michael Carlin | Production Design |
| Sharon Martin | Makeup Artist |
| James Harrison | Sound Effects Editor |
| Jeff Abberley | Executive Producer |
| Julia Blackman | Executive Producer |
| Chris Lowe | Art Direction |
| Graham Broadbent | Producer |
| Eigil Bryld | Director of Photography |
| Martin McDonagh | Screenplay |
| Martin McDonagh | Director |
| Peter Czernin | Producer |
| Anna Lynch-Robinson | Set Decoration |
| Alistair Hopkins | Post Production Supervisor |
| Julian Slater | Supervising Sound Editor |
| Lance Roehrig | Second Assistant Director |
| Dixie Chassay | Casting Assistant |
| James Biddle | Unit Production Manager |
| James Bellamy | Music Editor |
| James Embree | Stunt Double |
| Paul Herbert | Stunt Coordinator |
| Francesco Alberico | Hairstylist |
| Rowena Ladbury | Script Supervisor |
| Rachel Kennedy | Unit Publicist |
| Karen Elliott | Music Supervisor |
| Laurent Guinci | Costume Supervisor |
| Oliver Brierley | Sound Re-Recording Mixer |
| Richard Davies | Assistant Costume Designer |
| Alistair Crocker | Production Sound Mixer |
| Tim Browning | Assistant Art Director |
| Matthew Penry-Davey | First Assistant Director |
| Grietje Lammertyn | Unit Production Manager |
| Rosy Coppola | Seamstress |
| Sarah Harvey | Co-Producer |
