| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Curtis | Crew | Production | Executive Producer, Director, Creator, Creator | 3 |
 Michael Sheen | Crew | Directing | Director, Executive Producer, Creator | 3 |
 Non Eleri Hughes | Crew | Directing | Script Supervisor | 3 |
Rory Taylor | Crew | Camera | Additional Photography | 3 |
Shaheen Baig | Crew | Production | Casting | 3 |
Bethan Jones | Crew | Production | Executive Producer | 3 |
Julian Luxton | Crew | Production | Production Designer | 3 |
Rebecca Ferguson | Crew | Production | Executive Producer | 3 |
Bobby Shore | Crew | Camera | Director of Photography | 3 |
 James Graham | Crew | Production | Executive Producer, Writer, Creator, Creator | 3 |
Holly McCarthy | Crew | Art | Art Direction | 3 |
Derek Ritchie | Crew | Production | Producer | 3 |
Jen Saguaro | Crew | Art | Set Decoration | 3 |
Roseann Samuel | Crew | Costume & Make-Up | Makeup Designer, Hair Designer | 3 |
Kyra Iris Taylor | Crew | Production | Production Coordinator | 3 |
Cian Ciaran | Crew | Sound | Original Music Composer | 3 |
Barry Phillips | Crew | Directing | First Assistant Director | 3 |
Llyr Evans | Crew | Lighting | Gaffer | 3 |
 Catherine Ayers | Cast | Elaine | 3 | |
 Danny Sapani | Cast | Actor | The Vicar | 3 |
 David K.S. Tse | Cast | Actor | Mr. Kwan | 3 |
 Derek Hutchinson | Cast | Actor | Philip | 3 |
 Georgia Tennant | Cast | Actress | Millie | 3 |
 Mali Harries | Cast | Actress | Dee Driscoll | 3 |
 Mark Lewis Jones | Cast | Actor | Glynn | 3 |
Michael Sheen | Cast | Actor | Denny Driscoll | 3 |
 Patrick Baladi | Cast | Actor | Hector | 3 |
 Paul Rhys | Cast | Actor | Akela | 3 |
 Steffan Rhodri | Cast | Actor | Geoff Driscoll | 3 |
 Tim Downie | Cast | Actor | Roger Deburge | 1 |
 Luke Evans | Cast | Actor | Hogwood | 3 |
 Aneurin Barnard | Cast | Actor | Dan | 3 |
 Erin Richards | Cast | Actress | Willis | 3 |
 Matthew Aubrey | Cast | Actor | Neil Phillips | 3 |
 Tom Cullen | Cast | Actor | Jack Price | 3 |
 Maja Laskowska | Cast | Actress | Anna | 3 |
 Sophie Melville | Cast | Actress | Thea Driscoll | 3 |
 Callum Scott Howells | Cast | Actor | Owen Driscoll | 3 |
 Andria Doherty | Cast | Grace | 3 | |
Jonathan Nefydd | Cast | Simon the Prophet | 3 | |
| Person | Type | Job | Role(s) | Episodes |
