 | Karl Urban als Judge Dredd |
 | Olivia Thirlby als Cassandra Anderson |
 | Lena Headey als Ma-Ma |
 | Wood Harris als Kay |
 | Langley Kirkwood als Judge Lex |
 | Tamer Burjaq als Ma-Ma Bodyguard |
 | Joe Vaz als Big Joe |
 | Rakie Ayola als Chief Judge |
 | Junior Singo als Amos |
 | Luke Tyler als Freel |
 | Jason Cope als Zwirner |
 | Domhnall Gleeson als Clan Techie |
 | Warrick Grier als Caleb (uncredited) |
 | Rachel Wood als Control Operator 1 |
| Andile Mngadi als Passenger (uncredited) |
| Porteus Xandau als Driver (uncredited) |
| Emma Breschi als Hostage (uncredited) |
| Shoki Mokgapa als Woman with Child (uncredited) |
| Yohan Chun als Girl in Window (uncredited) |
| Eden Knowles als Girl in Window (uncredited) |
| Desmond Lai Lan als Homeless Man (uncredited) |
 | Deobia Oparei als Paramedic TJ (uncredited) |
 | Patrick Lyster als Control Operator 2 (uncredited) |
| Travis Snyders als Slo-Mo Junkies (uncredited) |
| Scott Sparrow als Japhet (uncredited) |
 | Marty Kintu als Big Joe Gang Member (uncredited) |
 | Nicole Bailey als Cathy (uncredited) |
 | Daniel Hadebe als Judge at Entrance (uncredited) |
 | Francis Chouler als Judge at Entrance (uncredited) |
| Edwin Perry als Judge Alwarez (uncredited) |
 | Karl Thaning als Judge Chan (uncredited) |
| Michele Levin als Judge Kaplan (uncredited) |
 | Chad Phillips als Slo-Mo Junkie |
| Ilze Kitshoff | Still Photographer |
| Denton Douglas | Casting |
| Carlos Ezquerra | Characters |
| Sarah Halley Finn | Casting |
| Paul Leonard-Morgan | Original Music Composer |
| Kate Dowd | Casting |
| John Wagner | Characters |
| Anthony Dod Mantle | Director of Photography |
| Mark Eckersley | Editor |
| Diana Cilliers | Costume Design |
| Glenn Freemantle | Sound Designer |
| Michael O'Connor | Costume Design |
| Jon Thum | Visual Effects Supervisor |
| Mark Digby | Production Design |
| Alex Garland | Screenplay |
| Shome Dasgupta | Visual Effects Producer |
| Andrew Morley | Visual Effects Supervisor |
| Sarel Pretorius | Steadicam Operator |
| Kerry Skelton | Makeup Artist |
| Danny Freemantle | Sound Effects Editor |
| Niv Adiri | Sound Re-Recording Mixer |
| Rick de Souza | Set Costumer |
| Nicolas Hernandez | CG Supervisor |
| Priyanka Balasubramania | Visual Effects Producer |
| Tim Field | Visual Effects Producer |
| Inge Hough | Set Costumer |
| Pierre Smit | Scenic Artist |
| Glenn Freemantle | Supervising Sound Editor |
| Chris Coupland | Visual Effects Editor |
| Rudi Holzapfel | Visual Effects Supervisor |
| Franz Spilhaus | Stunt Coordinator |
| Robert Bentley | Location Manager |
| Paul Cripps | Art Direction |
| Alan Munro | Assistant Art Director |
| Emilia Roux | Art Direction |
| Daniël Hugo | Conceptual Design |
| Julia Chiavetta | Script Supervisor |
| Christa Schoeman | Hairstylist |
| Joe Pistorius | Conceptual Design |
| Grant Hulley | Stunt Coordinator |
| Peter Belcher | Camera Operator |
| Michael Carstensen | Steadicam Operator |
| Hetta Burger | Set Costumer |
| Christophe Dalberg | Art Direction |
| James Shannon | Dolby Consultant |
| Pablo Grillo | Animation |
| Sara Bennett | Visual Effects Supervisor |
| Joy Sapieka | Unit Publicist |
| Mark Walker | Assistant Art Director |
| Nick Drew | Visual Effects Producer |
| Niels Reedtz Johansen | Second Unit Cinematographer |
| Katrina Mackay | Art Direction |
| Catherine Palmer | Art Direction |
| Angela Hunt | Visual Effects Producer |
| Neil Miller | Visual Effects Art Director |
| Telfer Barnes | Camera Operator |
| Yann McCullough | Music Editor |
| Patrick O'Connor | Assistant Art Director |
| Eilam Hoffman | Sound Effects Editor |
| Aleksandar Pejic | CG Supervisor |
| Tina Richardson | Visual Effects Editor |
| Joe Alblas | Still Photographer |
| Bradley Sweetman | Transportation Coordinator |
| Lorraine Alvarez-Posen | Conceptual Design |
| Francesca Van Der Feyst | Hairstylist |
| Kerry van Lillienfeld | Property Master |
| Jack Stew | Foley |
| Emanuele Giraldo | First Assistant Editor |
| Vinca Cox | Script Supervisor |
| Christo Strydom | Art Department Coordinator |
| Graeme Cowie | Conceptual Design |
| Ian Tapp | Sound Re-Recording Mixer |
| Jean-Claude Deguara | Animation Supervisor |
| Thomas Neivelt | Gaffer |
| Michelle Day | Set Decoration |
| Robbie Lee | Visual Effects Editor |
| Jacomina Jankowitz | Costume Supervisor |
| Patrick Rolfe | Supervising Art Director |
| Shaamilla Noordien | Stunts |
| Allon Reich | Producer |
| Sara Desmond | Production Manager |
| Gillian Dodders | Dialogue Editor |
| Chris Kingsley | Producer |
| Jason Kingsley | Producer |
| Adi Shankar | Executive Producer |
| Rob Carlisle | Prosthetics Sculptor |
| Lee Grumett | First Assistant Director |
| Marisa Sonemann-Turner | Production Manager |
| Michael Elson | Co-Executive Producer |
| Megan Tanner | Makeup Designer |
| Joanne Smith | Associate Producer |
| Alex Garland | Producer |
| Andrew Macdonald | Producer |
| Deepak Nayar | Executive Producer |
| Stuart Ford | Executive Producer |
| Megan Tanner | Hair Designer |
| Michael S. Murphey | Co-Producer |
| Max Poolman | Special Effects Supervisor |
| Pete Travis | Director |
| Jack Longmate | Special Effects Assistant |
| Nigel Salter | Property Master |
| Vernon Willemse | Stunts |
| Nathan Wheatley | Stunts |
| Fleur van Eeden | Stunt Double |
| Thembaletu Tyutu | Stunts |
| Brian Svosve | Stunts |
| Ryan Stuart | Stunts |
| Peter Spyropoulos | Stunts |
| Michael Soloman | Stunts |
| Craig Gordon Sobotker | Stunts |
| Wayne Smith | Stunts |
| Christopher September | Stunts |
| Luke Rhode | Stunts |
| Emmylou Rabe | Stunts |
| Grant Powell | Fight Choreographer |
| Bradley Peterson | Stunts |
| Benny Ou | Stunts |
| Juan Oelofse | Stunts |
| Theuns Nothnagel | Utility Stunts |
| Aaron Muchanyu | Stunts |
| Malibongwe Mqamelo | Stunts |
| Arten Moyo | Stunts |
| Anton Moon | Fight Choreographer |
| Voytec Modrezewski | Stunts |
| Mick 'Stuntie' Milligan | Stunts |
| Trayan Milenov-Troy | Stunts |
| Caprice Masinga | Stunts |
| Boris Martinez | Stunts |
| Leon Loots | Utility Stunts |
| Gizelle Loots | Stunts |
| Brandon Livanos | Stunts |
| Ibrahim Levy | Stunts |
| Julian Koberman | Stunt Double |
| Sylma Jordaan | Stunts |
| Pope Jerrod | Stunts |
| Olivia Jackson | Stunts |
| Allen Irwin | Stunt Driver |
| Marc Hyland | Stunts |
| Adam Horton | Stunt Double |
| Adam Horton | Stunts |
| Katja Hopkins | Stunts |
| Dan Hirst | Stunt Double |
| Daniel Himschoot | Stunts |
| Paul Hampshire | Stunt Double |
| Francois Grobbelaar | Stunts |
| Kerry Gregg | Stunt Coordinator |
| Kerry Gregg | Stunts |
| Cary Green | Stunts |
| Dane Grant | Stunts |
| Ronni Gadula | Stunts |
| Brenda Firmani | Stunt Double |
| Amanda Dyar | Stunts |
| Mandisa Duna | Stunts |
| Johan du Plessis | Stunts |
| Greg Dreyer | Stunts |
| Mandla Dolosi | Stunts |
| Tyron Dean | Stunts |
| Jared Cohen | Stunts |
| Vikoija Ciric | Stunts |
| Ruan Burger | Stunts |
| Lodewyk Johannes Brink | Stunt Double |
| François Boondryk | Stunts |
| Lauren Bate | Stunts |
| Oliver Bailey | Stunts |
| George Bailey | Stunts |
| Clint Abrahams | Stunts |
| Tom Olive | Set Decoration |
| Alex Garland | Director |
