| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Peter Fincham | Crew | Creator | Creator | |
 Adrian Scarborough | Cast | Actor | DI Max Arnold | 8 |
 Adrian Schiller | Cast | Actor | Nicholas Levine | 1 |
 Alexander Hanson | Cast | Actor | James Green | 1 |
 Amerjit Deu | Cast | Actor | Mr Johal | 1 |
 Catherine Russell | Cast | Actress | Frances Felton | 1 |
 Claire Skinner | Cast | Actress | Charlotte Twist | 1 |
 Clarence Smith | Cast | Actor | Oliver Cowie | 1 |
Craig Blake | Cast | Actor | Artie Sylvester | 1 |
 Dermot Keaney | Cast | Actor | Taffy Clarke | 1 |
 Dominic Mafham | Cast | Actor | Iain Frankland | 1 |
 Emma Cunniffe | Cast | Actress | Cassie Lyall | 1 |
 Frances Barber | Cast | Actress | Olivia Arnold | 4 |
 Jonny Phillips | Cast | Actor | Gulliver Bauer | 1 |
 Kevin Eldon | Cast | Actor | Roy Colin | 1 |
 Liz Crowther | Cast | Actress | Nancy Cooper | 1 |
 Liz White | Cast | Actress | Beth Dalton | 1 |
 Martin Marquez | Cast | Actor | Lanfranco | 1 |
 Michael Moreland | Cast | Actor | Frank Turner | 1 |
 Naoko Mori | Cast | Actress | Steph Lang | 1 |
 Neil Morrissey | Cast | Actor | Ross Pickard | 1 |
 Nigel Lindsay | Cast | Actor | Ricky Hopkinson | 1 |
 Peter Stark | Cast | Actor | Alex Heidegger | 1 |
 Pooky Quesnel | Cast | Actress | Julia Romano | 1 |
 Rachael Stirling | Cast | Actress | Rebekah Chaban | 1 |
 Raquel Cassidy | Cast | Actress | Maria Swanson | 1 |
 Rebecca Front | Cast | Actress | Diana Hopkinson | 1 |
 Richard Harrington | Cast | Actor | Rory Fisk | 1 |
 Richard Hope | Cast | Actor | Andrew Knightley | 1 |
 Rupert Vansittart | Cast | Actor | Patrick Blythe | 1 |
 Sara Kestelman | Cast | Actress | Celia Swanson | 1 |
 Sarah Smart | Cast | Actress | Siobhan O'Hara | 1 |
 Simon Williams | Cast | Actor | Maurice Swift | 1 |
 Siân Phillips | Cast | Actress | Grandma Dix | 1 |
 Sonita Henry | Cast | Actress | DS Priya Shamsie | 4 |
 Tilly Vosburgh | Cast | Actress | Carmel Fry | 1 |
 Al Weaver | Cast | Actor | Simon Turnball | 1 |
 Anamaria Marinca | Cast | Actress | Astrid Fischer | 8 |
 Bryony Hannah | Cast | Actress | Erin Murphy | 1 |
 Davood Ghadami | Cast | Actor | Nitin Shamsie | 4 |
 Jack Ashton | Cast | Actor | Toby Hansard | 1 |
 Joshua James | Cast | Actor | Nathan Dix | 1 |
 Karl Theobald | Cast | Actor | Sam Lenton | 1 |
 Mina Andala | Cast | Actress | Lyn Cowie | 1 |
Philip Bulcock | Cast | Actor | Laurence Carter | 1 |
 Pippa Nixon | Cast | Actress | Saskia | 1 |
Gaia Wise | Cast | Actress | Emma Frankland | 1 |
 Cengiz Dervis | Cast | Actor | Marac Ata | 1 |
 David Wayman | Cast | Actor | Estate Agent | 1 |
 Harry Hepple | Cast | Actor | Josh Downing | 1 |
James Boyland | Cast | Actor | Nicholas Hewitt | 1 |
 Tomiwa Edun | Cast | Actor | Greg Milton-Elwes | 1 |
 Amy Griffiths | Cast | Actress | Rebecca Knightley | 1 |
 Lucy Phelps | Cast | Actress | DC Jess Lombard | 8 |
 Leo Staar | Cast | Actor | Freddie Mercer | 1 |
 Pippa Haywood | Cast | Actress | Gillian Compton | 1 |
 Rhashan Stone | Cast | Actor | Pete McLoud | 1 |
 Stella Stocker | Cast | Actress | Robyn Romano | 1 |
 Joseph Millson | Cast | Actor | Jonno Romano | 1 |
 Karl Collins | Cast | Actor | Carsten Hughes | 1 |
Sarah Middleton | Cast | Actress | Hayley Donohue | 1 |
Dorothea Myer-Bennett | Cast | Actress | Sadie Friedman | 1 |
 Michael D. Xavier | Cast | Actor | Patrick Thompson | 1 |
Christine Mackie | Cast | Actress | Marieke Petersen | 1 |
 Peter Bankolé | Cast | Actor | DC Connor Pollock | 8 |
 Sophie Stone | Cast | Actress | Ashley Wilton | 8 |
 Félicien Juttner | Cast | Actor | Benoit Chaban | 1 |
 Ricardo Castro | Cast | Actor | Paulo Mendez | 1 |
 Esh Alladi | Cast | Actor | Khalid Hassan | 1 |
 Vanessa Emme | Cast | DS Layla Walsh | 4 | |
Alfie Deegan | Cast | Actor | Jake Turner | 1 |
Charlotte Emmerson | Cast | Actress | Martha Frankland | 1 |
Jack Cooper Stimpson | Cast | Actor | Finn Davidson | 1 |
 Elizabeth Marsh | Cast | Actress | Mel | 1 |
 Laurence Ubong Williams | Cast | Actor | Kai Whishaw | 1 |
 Patrick Walshe McBride | Cast | Actor | Caleb Felton | 1 |
 Che Walker | Cast | Actor | Steve O'Hara | 1 |
Robert Pickavance | Cast | Actor | Ferguson | 1 |
Jessie Hills | Cast | Actress | Zoe Stephens | 1 |
 Samuel Holmes | Cast | Actor | Chris Milton-Elwes | 1 |
 Bluey Robinson | Cast | Actor | Tony Donner | 1 |
 Sophie Melville | Cast | Actress | Daisy Philips | 1 |
 Rob Ostlere | Cast | Actor | Darren Goldfinch | 1 |
Natasha Magigi | Cast | Actress | Nadine | 1 |
 Oli Higginson | Cast | Actor | Jack Felton | 1 |
 Jeremias Amoore | Cast | Actor | Eric Heidegger | 1 |
Francesca Henry | Cast | Actress | Nix Greaves | 1 |
 Cecilia Appiah | Cast | Actress | PC Lana Appleby | 2 |
Tia May Watts | Cast | Actress | Flo Cowie | 1 |
 Ella Bruccoleri | Cast | Actress | Rena Friedman | 1 |
 Peter Landi | Cast | Actor | Davinson Clarke | 1 |
Cayvan Coates | Cast | Actor | Luca Romano | 1 |
Andrea Kristina | Cast | Actress | Vanessa | 1 |
Libby Mai | Cast | Actress | Petal Fisk | 1 |
 Taj Kandula | Cast | Actress | Joanne | 1 |
 Ladi Emeruwa | Cast | Actor | Bandile | 1 |
Felixe Forde | Cast | Actress | Hannah Loftus | 1 |
| Person | Type | Job | Role(s) | Episodes |
