 | Sope Dirisu als Bol Majur |
 | Wunmi Mosaku als Rial Majur |
 | Malaika Wakoli-Abigaba als Nyagak |
 | Matt Smith als Mark Essworth |
 | Javier Botet als The Witch |
| Yvonne Campbell als South Sudanese Woman |
 | Vivienne Soan als Neighbour |
| Lola May als Nyagak's Mother |
 | Kevin Layne als The Cameroonian |
| Maureen Casey als Detention Custody Officer |
 | Homer Todiwala als Iraqi Man |
 | Dominic Coleman als Lead Officer |
 | Sally Plumb als Secondary Officer |
 | Roland Manookian als Barber |
 | Andy Gathergood als Church Man |
 | Rasaq Kukoyi als William |
 | Gamba Cole als George |
 | Bradley Banton als Phillip |
 | Emily Taaffe als Dr. Hayes |
| Ian Horgan als Adam 'CIS' |
| Perry Warner als Burly Officer |
 | Mevis Birungi als Aid Worker |
 | John Kamau als Aid Worker #2 |
| Destiny Okoh als Smuggler |
 | Steven Blakeley als Suit #1 |
 | Tabitha Wady als Suit #2 |
| Kyna Boyle als Teenage Girl |
| Julius Reuben als Ghost |
| Lanre Olagoke als Ghost |
| Adwoa Brown als Ghost |
 | Mark Gooden als Ghost |
| Rita Laker-Acaye als Ghost |
| Simon Akinwunmi als Ghost |
| Mikey Adewunmi als Ghost |
| Yasmine Smith als Ghost |
 | Cornell John als The Witch (voice) |
| Aliyah Sesay als Nyagak (voice) |
 | Vivien Bridson als The Queen (uncredited) |
 | Scott Michael Wagstaff als The Creature (uncredited) |
 | Ty Hurley als Driver (uncredited) |
 | Rene Costa als Pub Hooligan (uncredited) |
 | Marie Hamm als Council Estate Resident (uncredited) |
| Remi Weekes | Director |
| Remi Weekes | Writer |
| Edward King | Producer |
| Martin Gentles | Producer |
| Roy Lee | Producer |
| Aidan Elliott | Producer |
| Arnon Milchan | Producer |
| Natalie Lehmann | Executive Producer |
| Glenn Freemantle | Sound Designer |
| Glenn Freemantle | Supervising Sound Editor |
| Toby Venables | Story |
| Felicity Evans | Story |
| Roque Baños | Original Music Composer |
| Jo Willems | Director of Photography |
| Julia Bloch | Editor |
| Salaheddine Benchegra | Casting |
| Carmen Cuba | Casting |
| Thalia Ecclestone | Art Direction |
| Matt Fraser | Art Direction |
| Holly Rebecca | Costume Design |
| Sara Menitra | Makeup Artist |
| Adrian Bell | Sound Mixer |
| Nick Freemantle | Sound Editor |
| Horacio Martinez | Special Effects Makeup Artist |
| Toran Tanner | Special Effects Makeup Artist |
| Sangeet Prabhaker | Prosthetic Makeup Artist |
| Paul Gunner | Painter |
| Adam Pescott | Storyboard Artist |
| Nick Fenner | Dressing Prop |
| Sophie Frances Coates | Art Department Assistant |
| Mohamed El Barj | Art Department Coordinator |
| Jack Hawthorn | Assistant Art Director |
| Jo Hawthorne | Construction Manager |
| Neneh Lucia | Assistant Art Director |
| Imogen McGrath | Draughtsman |
| Kate Auld | Digital Compositor |
| Jo Dale | Visual Effects Editor |
| Nick Feldman | Visual Effects Editor |
| Jean-Clement Soret | Digital Colorist |
| Mark Yfantidis | Digital Compositor |
| Gary Arthurs | Stunt Driver |
| Brahim Boukhizzou | Stunts |
| Marvin Campbell | Stunts |
| Marc Cass | Stunt Coordinator |
| Jason Curle | Stunts |
| Ben Essex | Stunts |
| Charles Jarman | Stunts |
| Youssef Marchouki | Stunts |
| Abdellah Oukseh | Stunts |
| Andy Pilgrim | Stunts |
| Laurent Plancel | Stunt Double |
| Anton Simpson-Tidy | Stunts |
| Tony Davis | Production Manager |
| Jonathan Scott | Production Manager |
| Alden Dalia | Co-Director |
| Nathan Mann | First Assistant Camera |
| Dora Krolikowska | First Assistant Camera |
| Clare Seymour | Second Assistant Camera |
| Jack Sands | Second Assistant Camera |
| Lawrence Beckwith | Second Assistant Camera |
| Nichola Pan Hao | Camera Trainee |
| Sara Harrack | Third Assistant Director |
| Simon Baker | Camera Operator |
| Adam Ridge | Boom Operator |
| Felicity Hickson | Graphic Designer |
| Jen Annor | Sound Assistant |
| Emily Woodward | Standby Art Director |
| Rebecca Cunningham | Costume Supervisor |
| Filipa Fabrica | Assistant Costume Designer |
| Daniel Carrasco | Creature Design |
| Stefano Pepin | Special Effects Supervisor |
| David Horrill | Property Master |
| Timothy Hampton | Special Effects Technician |
| Lucy Ward | Script Supervisor |
| Charlie Carline | Dressing Prop |
| Jonathan Spencer | Gaffer |
| Darren Harvey | Best Boy Electric |
| Harry Gay | Electrician |
| Darren Jackson | Electrician |
| Kevin Daly | Electrician |
| Daniel Smith | Electrician |
| John Whickman | Electrician |
| Daniel Butler | Electrician |
| Greg Whitbrook | Electrician |
| Chris Barrow | Electrician |
| Jamie Whickman | Rigging Gaffer |
| Sam Phillips | Key Grip |
| Luke Stevenson | Location Manager |
| Tom Davey | Assistant Location Manager |
| Tabitha Denny-Northover | Location Assistant |
| Jane Soans | Location Scout |
| Samuel Sharpe | Production Coordinator |
| Hannah Shipley | Assistant Production Coordinator |
| Matthew Moss | Production Secretary |
| Annabelle Hood | Key Set Production Assistant |
| Charles Obaro | Key Set Production Assistant |
| Sam Gardner | First Assistant Accountant |
| James Hogan | Standby Painter |
| Garry Moore | Standby Carpenter |
| Seamus Hawthorne | Construction Coordinator |
| Aiden Convey | Carpenter |
| Paul Carter | Carpenter |
| Reg Patterson | Carpenter |
| Dan Bryne | Carpenter |
| Lucy Whitton | Researcher |
| Aidan Monaghan | Still Photographer |
| Simon Jones | Transportation Captain |
| Aaron Hopkins | Transportation Co-Captain |
| Michael Geary | Picture Car Coordinator |
| Judith Sunga | Casting Assistant |
| Jamie Ember | Casting Assistant |
| Mark Huffam | Executive Producer |
| Stuart Manashil | Executive Producer |
| Yariv Milchan | Executive Producer |
| Michael Schaefer | Executive Producer |
| Steven Schneider | Executive Producer |
| Eva Yates | Executive Producer |
| Jacqueline Abrahams | Production Design |
| Nezha Aouis | Makeup Artist |
| Helena Card | Makeup & Hair |
| Sharon Martin | Makeup & Hair |
| Khadija Najahi | Makeup Artist |
| Tamara Ramsey | Makeup Artist |
| Mark Heslop | Sound Designer |
| Frank Kruse | Supervising Sound Editor |
| Markus Stemler | Sound Designer |
| Adam Bourne | Foley Editor |
| Peter Burgis | Foley Artist |
| Robby Brown | Foley Mixer |
| Rebecca Heathcote | Foley Artist |
| Christoph Oertel | Foley Mixer |
| Richard Pryke | Sound Re-Recording Mixer |
| Carsten Richter | Foley Artist |
| Chris Lyons | Special Effects Makeup Artist |
| Rob Bliss | Concept Artist |
| Rob Bliss | Creature Design |
| Annabelle Hood | Floor Runner |
