 | Ralph Fiennes als Roald Dahl / Policeman |
 | Benedict Cumberbatch als Henry Sugar / Max Engelman |
 | Dev Patel als Dr. Z.Z. Chatterjee / John Winston |
 | Ben Kingsley als Imdad Khan / Croupier |
 | Richard Ayoade als Dr. Marshall / Great Yogi |
 | Jarvis Cocker als Canasta Player / Manor Guest / Friend of Henry Sugar |
 | Rebecca Cornford als Canasta Player / Manor Guest / Friend of Henry Sugar |
 | David Gant als Casino Croupier |
| Martin Foreman als Casino Guest |
| Agatino Trimarchi als Casino Guest |
| Christopher J. Long als Casino Guest |
| Richard Sisson als Casino Guest |
| Josephine Bygrave als Casino Guest |
| Linda Catt als Casino Guest |
| Robin Catt als Casino Guest |
| Bob Elam als Casino Guest |
| Robert Boyd-Howell als Casino Guest |
| Linda Telfer als Casino Guest |
| Aimee Gibson als Casino Guest |
| Jean Everest als Casino Guest |
| Clare Wignall als Casino Guest |
| Cynthia Almrott als Casino Guest |
| Bahzad Zad als Circus Audience |
| Bipula Parker als Circus Audience |
| Rupinder Kaur als Circus Audience |
| Hunain Abbas als Circus Audience |
| Fathimah Quraishe als Circus Audience / Hospital Nurse |
| Swastee Kejiou als Circus Audience / Hospital Nurse |
| Sirjit Singh Marway als Circus Audience |
| Hardip Singh als Circus Audience |
| Amma Paru Bhagwandeen als Circus Audience |
| Sudha Sama als Circus Audience |
| Ravinder Patwal als Circus Audience |
| Dheleel George Managlan als Circus Audience |
| Kiranjit Kaur als Circus Audience |
| Jaspreet Rehal als Circus Audience |
| Prabhnoor Kaur als Circus Audience |
| Ayush Britto als Circus Audience |
| Harjun Bassi als Circus Audience |
| Harley Sisan als Circus Audience |
| Uday Nind als Circus Audience |
| Frances Harmon als Make-Up Artist |
| Mita Chowdhury als Dr. Mitra |
| Sambathkumar Anbalagan als Yogi Disciple |
| Chandresh Gohil als Circus Vendor |
| Wes Anderson | Director |
| Robert D. Yeoman | Director of Photography |
| Richard Hardy | Art Direction |
| Claire Peerless | Art Direction |
| Kevin Timon Hill | Supervising Art Director |
| Anna Pinnock | Set Decoration |
| Kasia Walicka Maimone | Costume Design |
| Frances Hannon | Makeup Designer |
| Roger Do Minh | Still Photographer |
| Alice Dawson | Co-Producer |
| Cathy Featherstone | Set Decoration |
| Wes Anderson | Producer |
| Steven M. Rales | Producer |
| Jeremy Dawson | Producer |
| Octavia Peissel | Co-Producer |
| John Peet | Co-Producer |
| Rebecca Hale | Costume Supervisor |
| Patricia Colin | Costume Supervisor |
| Wayne Lemmer | Supervising Sound Editor |
| Wayne Lemmer | Sound Re-Recording Mixer |
| Luis Galdames | Sound Effects Editor |
| Taylor Flinn | Sound Effects Editor |
| Barney Pilling | Editor |
| Andrew Weisblum | Editor |
| Sullivan Cayless | Set Dresser |
| Liam Green | Set Dresser |
| Neneh Lucia | Assistant Art Director |
| Albert McCausland | Assistant Art Director |
| Celene McDowell | Assistant Art Director |
| Steven X. Haber | Set Designer |
| Jonathan Cheetham | Visual Effects Supervisor |
| Mark Harrison | Visual Effects Supervisor |
| Joe Thad Deahl | Storyboard Artist |
| Gabor Kerekes | Makeup Artist |
| Gabor Kerekes | Hairstylist |
| Daniel Moctezuma | Foley Recordist |
| Chad Orororo | Sound Effects Editor |
| Peter Persaud | Foley Mixer |
| Chris Scarabosio | Supervising Sound Editor |
| Chris Scarabosio | Sound Re-Recording Mixer |
| Arran Topham | Stunt Coordinator |
| Donavan Gallagher | Grip |
| Pat Sweeney | Gaffer |
| Türker Tuncer | VFX Artist |
| Adam Somner | First Assistant Director |
| Martin Scali | Second Unit Director |
| Adam Stockhausen | Production Design |
| Wes Anderson | Writer |
| Molly Rosenblatt | Associate Producer |
| Sanjay Sami | Key Grip |
| Frances Hannon | Hair Designer |
| Bertrand Girard | Unit Manager |
| Vincent Scotet | First Assistant Camera |
| Valentino Giannì | Sound Mixer |
| Jennifer Furches | Script Supervisor |
| Jay Clarke | Storyboard Artist |
| Felix Terreyre Saint-Cast | Second Assistant Camera |
| Jonny Stillwell | Camera Loader |
| Thomas Fennell | Boom Operator |
| Roald Dahl | Short Story |
| Roald Dahl | Original Film Writer |
