 | Colin Farrell als Marty Faranan |
 | Sam Rockwell als Billy Bickle |
 | Woody Harrelson als Charlie Costello |
 | Christopher Walken als Hans Kieslowski |
 | Olga Kurylenko als Angela |
 | Tom Waits als Zachariah Rigby |
 | Abbie Cornish als Kaya |
 | Michael Stuhlbarg als Tommy |
 | Kevin Corrigan als Dennis |
 | Zeljko Ivanek als Paolo |
 | Michael Pitt als Larry |
 | Linda Bright Clay als Myra Kieslowski |
 | Joseph Lyle Taylor als Al |
 | Gabourey Sidibe als Sharice |
 | Amanda Warren als Maggie |
 | Helena Mattsson als Blonde Lady |
 | Harry Dean Stanton als Man in Hat |
 | James Landry Hébert als Killer |
 | Christopher Gehrman als Cellmate |
 | Christian Barillas als Catholic Priest |
 | Long Nguyen als Vietnamese Priest |
 | Christine Marzano als The Hooker |
 | Frank Alvarez als Hispanic Guy |
 | Brendan Sexton III als Young Zachariah |
 | John Bishop als The Butcher |
 | Richard Wharton als The Hippy |
 | Johnny Bolton als Barman |
 | Ronnie Gene Blevins als First Cop |
 | Tai Chan Ngo als Fellow Monk |
 | Kiran Deol als Doctor (uncredited) |
 | Patrick O'Connor als Judge (uncredited) |
 | Samantha Cutaran als Receptionist (uncredited) |
| Martin McDonagh | Director |
| Martin McDonagh | Screenplay |
| Graham Broadbent | Producer |
| Peter Czernin | Producer |
| Martin McDonagh | Producer |
| Tessa Ross | Executive Producer |
| Carter Burwell | Original Music Composer |
| Ben Davis | Director of Photography |
| Lisa Gunning | Editor |
| David Wasco | Production Design |
| Karen Patch | Costume Design |
| Mike Smith | Stunt Coordinator |
| Ronn Surels | Stunts |
| Betsy Danbury | Co-Producer |
| Sarah Harvey | Co-Producer |
| Sarah Halley Finn | Casting |
| Betsy Danbury | Unit Production Manager |
| Peter Kohn | First Assistant Director |
| Paula Case | Second Assistant Director |
| Spike Silver | Stunts |
| Sandy Reynolds-Wasco | Set Decoration |
| Chuck Zlotnick | Still Photographer |
| Stephen S. Campanelli | "A" Camera Operator |
| Stephen S. Campanelli | Steadicam Operator |
| Geoffrey Patterson | Sound Mixer |
| David Raymond | Boom Operator |
| Michael Primmer | Boom Operator |
| Scott Peterson | Script Supervisor |
| Andrew Blau | Production Supervisor |
| Shari Ratliff | Art Department Coordinator |
| Zoe Byrne | Art Department Assistant |
| Greg Nicotero | Special Effects Makeup Artist |
| Howard Berger | Special Effects Makeup Artist |
| Deborah La Mia Denaver | Makeup Department Head |
| Bill Myer | Makeup Artist |
| Bonni Flowers | Makeup Artist |
| Ritchie Kremer | Property Master |
| Curtis Corbitt | Assistant Property Master |
| David Fencl | Armorer |
| Brent Rice | Leadman |
| Charles Kern | Standby Painter |
| Lindsey Kear | Assistant Costume Designer |
| Ron Trost | Special Effects Coordinator |
| Robert Foulkes | Location Manager |
| Lark Bernini | Production Coordinator |
| Steven Butensky | Production Accountant |
| Chris Napolitano | Gaffer |
| Michael J. Schwartz | Best Boy Electric |
| R. Michael De Chellis | Rigging Gaffer |
| John Janusek | Key Grip |
| Troy N. Wade | Dolly Grip |
| John P. Shine | Best Boy Grip |
| Claire Raskind | Unit Publicist |
| William DiCenso | Video Assist Operator |
| David Deever | Video Assist Operator |
| Mike Medina | Construction Coordinator |
| Larry Guy Clause | Construction Foreman |
| Daniel R. Jennings | Set Designer |
| Alistair Hopkins | Post Production Supervisor |
| Chris Burdon | Sound Re-Recording Mixer |
| Doug Cooper | Sound Re-Recording Mixer |
| Joakim Sundström | Supervising Sound Editor |
| Christer Melén | Sound Effects Editor |
| Paul Wrightson | ADR Editor |
| Ulf Olausson | Foley Artist |
| Tomas Krantz | Foley Recordist |
| Matt Biffa | Music Supervisor |
| Dina Eaton | Music Editor |
| Gary Archer | Prosthetics |
| Tim Gilbert | Stunts |
| Laura Albert | Stunts |
| Lance Gilbert | Stunts |
| Gregory J. Barnett | Stunts |
| Scott Wilder | Stunts |
