| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Alex Pillai | Crew | Directing | Director | 2 |
 Colin Teague | Crew | Directing | Director | 8 |
 Julie Gardner | Crew | Production | Producer | 36 |
Kenneth Glenaan | Crew | Directing | Director | 2 |
 Toby Whithouse | Crew | Writing | Writer, Creator | 32 |
 Tony Basgallop | Crew | Writing | Writer | 1 |
 Charles Martin | Crew | Directing | Director | 3 |
Daniel O'Hara | Crew | Directing | Director | 8 |
Daragh Carville | Crew | Writing | Writer | 1 |
 Declan O'Dwyer | Crew | Directing | Director | 1 |
John Jackson | Crew | Writing | Writer | 3 |
Lucy Catherine | Crew | Writing | Writer | 1 |
Jamie Mathieson | Crew | Writing | Writer | 4 |
 Lisa McGee | Crew | Directing | Director, Writer | 1 |
 Toby Haynes | Crew | Directing | Director | 2 |
 Philip John | Crew | Directing | Director | 11 |
Sarah Dollard | Crew | Writing | Writer | 1 |
Tom Grieves | Crew | Writing | Writer | 2 |
Brian Dooley | Crew | Writing | Writer | 2 |
Sarah Phelps | Crew | Writing | Writer | 1 |
Rachel Anthony | Crew | Writing | Writer | 1 |
Richard Bennett | Crew | Art | Property Buyer | 28 |
 Adam Deacon | Cast | Actor | 1 | |
 Adrian Lester | Cast | Actor | 1 | |
 Adrian Schiller | Cast | Actor | Hennessey | 3 |
 Alex Jennings | Cast | Actor | Griffin | 1 |
 Amanda Abbington | Cast | Actress | 1 | |
Anita Reynolds | Cast | Actress | Nita Mawulawde | 1 |
 Anthony O'Donnell | Cast | Actor | Emrys | 1 |
Boyd Clack | Cast | Actor | Bazzer | 1 |
 Bryan Dick | Cast | Actor | Sykes | 1 |
 Clare Higgins | Cast | Actress | 2 | |
 Craig Roberts | Cast | Actor | Adam | 1 |
 Danny Webb | Cast | Actor | Marcus | 1 |
 David Webber | Cast | Actor | Train Worker | 1 |
 Dean Lennox Kelly | Cast | Actor | 2 | |
 Dominique McElligott | Cast | Actress | 1 | |
 Donald Sumpter | Cast | Actor | Kemp | 9 |
 Dylan Brown | Cast | Actor | Seth | 5 |
 Fred Pearson | Cast | Actor | Archivist | 1 |
Giles Thomas | Cast | Actor | Custody Sergeant | 1 |
 Glyn Grimstead | Cast | Actor | Policeman | 1 |
 Gordon Kennedy | Cast | Actor | Brendan | 1 |
 Ian Puleston-Davies | Cast | Actor | Chief Constable Wilson | 2 |
 James Fleet | Cast | Actor | 1 | |
 James Lance | Cast | Actor | Kirby | 2 |
 Jason Watkins | Cast | Actor | William Herrick | 36 |
 Jeremy Swift | Cast | Actor | Emil | 1 |
Jessica Harris | Cast | Actress | Becca | 1 |
 Jonathan Aris | Cast | Actor | Newsreader | 1 |
 Julia Ford | Cast | Actress | Fleur | 1 |
 Julian Barratt | Cast | Actor | 1 | |
 Justin Salinger | Cast | Actor | Cooper | 2 |
 Lee Ingleby | Cast | Actor | Edgar Wyndam | 1 |
 Louis Mahoney | Cast | Actor | Leo | 3 |
 Lucy Robinson | Cast | Actress | Dr. Wilson | 1 |
 Mali Harries | Cast | Actress | Lisa | 1 |
 Margaret John | Cast | Actress | 1 | |
 Marion Bailey | Cast | Actress | 1 | |
 Mark Gatiss | Cast | Actor | 2 | |
 Mark Lewis Jones | Cast | Actor | Richard | 2 |
 Mark Williams | Cast | Actor | 2 | |
Marshall Griffin | Cast | Kane | 1 | |
 Martin Hancock | Cast | Actor | Leader | 1 |
 Matthew Ashforde | Cast | Actor | Isaac Daniels | 1 |
 Melanie Walters | Cast | Actress | Emma Hargreaves | 2 |
Michael Begley | Cast | Actor | Chaplain Mark | 2 |
 Nicola Walker | Cast | Actress | Wendy | 1 |
 Paul Kaye | Cast | Actor | Vincent | 1 |
 Paul Rhys | Cast | Actor | 3 | |
 Pearce Quigley | Cast | Actor | Catholic Priest | 1 |
 Rick Bacon | Cast | Actor | Dr. Newell | 1 |
 Ricky Grover | Cast | Actor | Bobby | 1 |
 Robson Green | Cast | Actor | 2 | |
Russell Gomer | Cast | Dessie | 1 | |
 Russell Tovey | Cast | Actor | George Sands | 24 |
 Sacha Dhawan | Cast | Actor | Pete | 1 |
Sally Ann Matthews | Cast | Actress | Orla | 1 |
 Sean Francis | Cast | Lucas | 1 | |
Selina Griffiths | Cast | Actress | Yvonne | 1 |
 Sinéad Keenan | Cast | Actress | Nina Pickering | 20 |
 Steve John Shepherd | Cast | Actor | Carl | 1 |
 Steven Robertson | Cast | Actor | Dominic Rook | 7 |
 Terry Wogan | Cast | Actor | 1 | |
 Tim Bevan | Cast | Actor | Mr. Jacobs | 1 |
Toby Whithouse | Cast | Actor | Alistair Frith | 4 |
 Tony Maudsley | Cast | Actor | Graham | 1 |
 Vincent Franklin | Cast | Actor | Ross | 1 |
 Andrea Riseborough | Cast | Actress | 1 | |
 Annabel Scholey | Cast | Actress | Lauren Drake | 5 |
 Anthony Flanagan | Cast | Actor | Fergus | 3 |
 Barry Aird | Cast | Actor | Jim | 1 |
 Charlene McKenna | Cast | Actress | Josie | 1 |
Claire Cage | Cast | Actress | Patsy | 2 |
 Ellie Kendrick | Cast | Actress | Allison | 1 |
Federico Zanni | Cast | Actor | Pablo | 1 |
 Georgia Henshaw | Cast | Actress | Joy | 1 |
 Gregg Chillin | Cast | Actor | Owen | 5 |
 Jonny Owen | Cast | Actor | Gethin | 1 |
 Josef Altin | Cast | Actor | Billy | 2 |
 Kai Owen | Cast | Actor | 1 | |
 Lacey Turner | Cast | Actress | 2 | |
Laura Patch | Cast | Actress | Michaela | 1 |
 Lenora Crichlow | Cast | Actress | Annie Sawyer | 30 |
Lizzie Roper | Cast | Actress | Maggie | 1 |
 Lucy Gaskell | Cast | Actress | Sam Danson | 4 |
 Lyndsey Marshal | Cast | Actress | Lucy | 8 |
 Michael Wildman | Cast | Actor | Milo | 1 |
 Morgan Walters | Cast | Policeman | 1 | |
 Paul Kasey | Cast | Actor | Werewolf | 8 |
 Sara Gregory | Cast | Actress | Amy McBride | 1 |
 Sarah Niles | Cast | Actress | Dr. Hayley Hamilton | 1 |
Trudi Jackson | Cast | Actress | Blodwen | 1 |
 Aidan Turner | Cast | Actor | John Mitchell | 22 |
 Aimee-Ffion Edwards | Cast | Actress | Robin | 1 |
 Alex Price | Cast | Actor | Gilbert | 1 |
 Amanda Hale | Cast | Actress | Lady Mary | 1 |
 Amy Manson | Cast | Actress | Daisy | 4 |
Ceri Mears | Cast | Custody Sergeant | 1 | |
 Claire Foy | Cast | Actress | 1 | |
 Colin Hoult | Cast | Actor | Ian Crumb | 3 |
 Darren Evans | Cast | Actor | Dewi | 1 |
 Erin Richards | Cast | Actress | Nancy Reid | 3 |
 Joel Gillman | Cast | Actor | Richard Galvin | 1 |
 John Hollingworth | Cast | Actor | Turlow | 1 |
 Kathryn Prescott | Cast | Actress | Natasha | 1 |
 Mark Fleischmann | Cast | Actor | Lloyd Pinkie | 7 |
 Matt Barber | Cast | Actor | Young Kemp | 1 |
 Michael Socha | Cast | Actor | Tom McNair | 18 |
 Natalie Burt | Cast | Rachel Cutler | 1 | |
Ruari Mears | Cast | 6 | ||
 Sara Pascoe | Cast | Actress | Kathleen | 1 |
 Alexandra Roach | Cast | Actress | Sasha | 1 |
 Andrew Gower | Cast | Actor | Nick Cutler | 7 |
 Caitlin Richards | Cast | Hazel | 1 | |
 Damien Molony | Cast | Actor | Hal Yorke | 14 |
Edward Franklin | Cast | Daniel | 1 | |
 Gina Bramhill | Cast | Actress | Eve | 6 |
 Madeleine Harris | Cast | Actress | Hetty | 1 |
 Rhiannon Harper-Rafferty | Cast | Actress | Nurse | 1 |
 Scott Arthur | Cast | Actor | Policeman / Corpse | 1 |
 Tamla Kari | Cast | Actress | Pearl | 2 |
Daniel Kerr | Cast | Actor | Decky | 1 |
 Hamza Jeetooa | Cast | Actor | Alan | 2 |
 Kate Bracken | Cast | Actress | Alex Millar | 9 |
Molly Jones | Cast | Molly | 3 | |
 Phil Davis | Cast | Actor | Captain Hatch | 5 |
 Alex Lanipekun | Cast | Actor | Saul | 2 |
Glenn Doherty | Cast | Actor | Duncan | 1 |
 Dan Mersh | Cast | Actor | Policeman | 1 |
 Morgan Jones | Cast | Actor | Jimmy | 1 |
Lauren O'Neill | Cast | Actress | Kirsty | 1 |
Mark Flitton | Cast | Actor | Shop Owner | 1 |
 Abigail Davies | Cast | Actress | Paramedic | 1 |
 Ella Ainsworth | Cast | Actress | Henrietta | 1 |
 Simon Paisley Day | Cast | Actor | Alan Cortez | 1 |
 John Paul Hurley | Cast | Actor | Douglas | 1 |
Ben Greaves-Neal | Cast | Actor | Oliver | 1 |
Jacquetta May | Cast | Actress | Carmen | 1 |
Dale Meeks | Cast | Actor | Welder | 1 |
 John Stahl | Cast | Actor | Quinn | 3 |
 Wayne Cater | Cast | Actor | Martin | 1 |
Victoria Ross | Cast | Lady Catherine | 1 | |
 Morgan James | Cast | No. 7 | 1 | |
Mykola Allen | Cast | Bernie | 1 | |
Rhodri Lewis | Cast | Young Tom | 1 | |
 Michelle Luther | Cast | Sadie | 1 | |
Feth Greenwood | Cast | 1 | ||
 Gwynfor Jones | Cast | Actor | Paul Jameson | 1 |
Thaer Al-Shayei | Cast | Actor | Merek | 1 |
 Angus Wright | Cast | Actor | Dr. North | 1 |
| Person | Type | Job | Role(s) | Episodes |
