 | Daniel Mays als Peter Wildeblood |
 | Richard Gadd als Eddie McNally |
 | Mark Gatiss als Dr. Landers |
 | Charlie Creed-Miles als Superintendent Jones |
 | Richard Dillane als Prosecutor Roberts |
 | Paul Keating als Fanny |
| Mark Edel-Hunt als Edward Montagu |
 | David Robb als Lord Wolfenden |
| Josh Collins als Michael Pitt-Rivers |
 | Daniel Betts als Defense Rawlinson |
| Timothy Watson als Clerk of Assize |
 | Barney White als Dan Starling |
 | James Gaddas als Governor Cockayne |
| Claire Bond als Iris |
| Matthew Canny als John Reynolds |
 | Mark Holgate als Tony |
| David Watson als Radio Announcer (voice) |
| Aysha Rafaele | Executive Producer |
| Scott Bassett | Producer |
| Fergus O'Brien | Director |
| Roger Goula | Original Music Composer |
| Peter Nightingale | First Assistant Director |
| Brashna Agha | Second Assistant Director |
| Matthew Cooper | Third Assistant Director |
| Anna Miles | Floor Runner |
| Hannah Kenneally-Muir | Script Supervisor |
| Colin Giles | Unit Manager |
| Charlotte Peters | Location Assistant |
| Claire Hildred | Production Manager |
| Will Hulse | Production Coordinator |
| Judd Lewin | Production Accountant |
| Ariel Grandolj | Focus Puller |
| Lydia Stott | Second Assistant Camera |
| Kylie Stubbs | Key Grip |
| Frank Barlow | Boom Operator |
| Luke Gledsdale | Assistant Art Director |
| Cath Rossner | Set Decoration |
| George Mizen | Property Master |
| Neil Jenkins | Graphic Designer |
| Tami French | Costume Supervisor |
| Crispin Layfield | Stunt Coordinator |
| Will Coker | Colorist |
| Alice Greenland | Post Production Coordinator |
| Karl Mainzer | Sound Re-Recording Mixer |
| Joe Fletcher | Supervising Sound Editor |
| Jennifer Duffy | Casting Director |
| Kieron Wolfson | Production Sound Mixer |
| Helen Speyer | Makeup Designer |
| Helen Speyer | Hair Designer |
| Matthew Button | Production Design |
| Joe Carey | Editor |
| Johann Perry | Director of Photography |
| Brian Fillis | Screenplay |
| Peter Wildeblood | Book |
| Olivia Johnson | Floor Runner |
| Jamaal Muhammad | Floor Runner |
| Peter Kelly | Location Manager |
| Rob White | Gaffer |
| Daniela Faggio | Art Direction |
| Charlotte Cooke | Standby Art Director |
| Joanna Dzierzanowska | Makeup Artist |
| Joanna Dzierzanowska | Hairstylist |
| Declan Smith | Researcher |
| Harry Pick | Researcher |
| Ralph Wheeler-Holes | Costume Designer |
| Lucy McDowell | Co-Producer |
