| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kevin Cecil | Crew | Production | Executive Producer, Writer | 6 |
 Matt Berry | Crew | Production | Executive Producer, Music | 6 |
Ben Taylor | Crew | Production | Executive Producer, Director | 6 |
Hannah Mackay | Crew | Production | Producer | 6 |
Ben Farrell | Crew | Production | Executive Producer | 6 |
Toby Stevens | Crew | Production | Executive Producer | 6 |
 Andy Riley | Crew | Production | Executive Producer, Writer | 6 |
 Alistair Petrie | Cast | Actor | Mr Larkham | 3 |
 Alun Armstrong | Cast | Actor | Chief Inspector Hugh Wisbech | 6 |
 Amar Chadha-Patel | Cast | Actor | Sgt Keith Carnival | 3 |
 Ann Mitchell | Cast | Actress | Gwen | 6 |
 Beatie Edney | Cast | Actress | Mrs McHenry | 1 |
 Craig Parkinson | Cast | Actor | Patrick Levant | 1 |
 David Webber | Cast | Actor | Newspaper Vendor | 4 |
 Femi Elufowoju Jr. | Cast | Actor | Mr Goole | 1 |
 George Potts | Cast | Actor | Vicar | 1 |
 Jill Halfpenny | Cast | Actress | Flora Wilson | 3 |
 Julie Dray | Cast | Actress | Claudette, French Lady | 1 |
 Keeley Hawes | Cast | Actress | Lydia | 6 |
 Paul Kaye | Cast | Actor | Detective Inspector Tanner | 6 |
 Peter-Hugo Daly | Cast | Actor | Murky John | 2 |
Philip Bird | Cast | Actor | Mr Fisher | 1 |
 Sally Phillips | Cast | Actress | Princess Juliana of Bulgaria | 2 |
 Taika Waititi | Cast | Actor | Musician | 1 |
 Daniel Tuite | Cast | Actor | Mr Milsom | 1 |
 David Dawson | Cast | Actor | Joseph Merrick, The Elephant Man | 6 |
 Jemaine Clement | Cast | Actor | Queen's Emissary | 1 |
Matt Berry | Cast | Actor | Detective Inspector Rabbit | 6 |
 Matthew Holness | Cast | Actor | Hector, Crown Prince of Bulgaria | 1 |
 Morgan Watkins | Cast | Actor | Ernie | 1 |
 Muzz Khan | Cast | Actor | The Man With The Blue Hat | 1 |
 Freddie Fox | Cast | Actor | Detective Sergeant Wilbur Strauss | 6 |
Leigh Quinn | Cast | Actress | Bearded Lady | 1 |
 Susan Wokoma | Cast | Actress | Mabel Wisbech | 6 |
Peter Harding | Cast | Actor | Assistant Commissioner | 1 |
Amy Bowden | Cast | Hettie | 1 | |
 Rebecca Benson | Cast | Actress | Harriet Fisher | 1 |
Sally Sanders | Cast | Actress | Baby | 1 |
 Anya McKenna-Bruce | Cast | Urchin Girl | 2 | |
 Nadia Albina | Cast | Actress | Tess | 1 |
 John Locke | Cast | Actor | Neil Fromage | 1 |
Alan Peat | Cast | Policeman | 4 | |
 Amy Booth-Steel | Cast | Actress | Maud | 1 |
Dave Arthur | Cast | Brick Man Singer | 1 | |
Daisy Samways | Cast | Street Urchin | 1 | |
Caitlin Walsh | Cast | Edith | 1 | |
Ellicia Simondwood | Cast | Street Urchin | 1 | |
 Carla Harrison-Hodge | Cast | Ginny | 1 | |
Savannah Read | Cast | Urchin Girl | 1 | |
 Ashna Rabheru | Cast | Actress | Tilly | 1 |
 Angus Wright | Cast | Actor | Sir Giles Linley | 1 |
| Person | Type | Job | Role(s) | Episodes |
