| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Anna Higginson | Crew | Art | Production Design | 3 |
 David Tennant | Crew | Production | Executive Producer | 3 |
Tudor George | Crew | Costume & Make-Up | Costume Design | 3 |
 Willow Grylls | Crew | Production | Executive Producer | 3 |
 Elaine Pyke | Crew | Production | Executive Producer | 3 |
 Luke Neal | Crew | Production | Executive Producer, Writer | 3 |
Mark Wolf | Crew | Camera | Director of Photography, Cinematography | 2 |
Victor Jenkins | Crew | Production | Casting | 3 |
 Lewis Arnold | Crew | Production | Executive Producer, Director, Creator | 3 |
Sarah Warne | Crew | Sound | Music | 3 |
Sacha Szwarc | Crew | Editing | Editor | 2 |
Brian Masters | Crew | Writing | Book | 3 |
David Meanti | Crew | Production | Producer | 3 |
Kim Varvell | Crew | Production | Executive Producer | 3 |
Charlie Pattinson | Crew | Production | Executive Producer | 3 |
 Andrew Woodall | Cast | Actor | Dr Hardy | 1 |
 Barry Ward | Cast | Actor | DI Steve McCusker | 3 |
 Beth Goddard | Cast | Actress | Frances | 1 |
 Cal MacAninch | Cast | Actor | Neil Sinclair | 2 |
 Daniel Mays | Cast | Actor | DCI Peter Jay | 3 |
David Tennant | Cast | Actor | Dennis Nilsen | 3 |
 Gerard Horan | Cast | Actor | Commander Gerald Lookwood | 1 |
 Jason Watkins | Cast | Actor | Brian Masters | 3 |
 Jay Simpson | Cast | Actor | DS Chris Healey | 3 |
 Joel Morris | Cast | Actor | Tim Wells | 3 |
 Jonathan Coy | Cast | Actor | Professor David Bowen | 2 |
 Ken Bones | Cast | Actor | Judge Croom-Johnson | 1 |
 Neil Edmond | Cast | Actor | Clerk of the Court | 2 |
 Pauline Turner | Cast | Actress | Elizabeth Sinclair | 1 |
 Pip Torrens | Cast | Actor | Ivan Lawrence QC | 1 |
 Ron Cook | Cast | Actor | DSI Chambers | 3 |
 Silas Carson | Cast | Actor | Russell Cavendish | 1 |
 Stuart McQuarrie | Cast | Actor | Ronald Moss | 1 |
 Tony Way | Cast | Actor | Mike Cattran | 1 |
 Amaka Okafor | Cast | Actress | Emily | 1 |
 Bronagh Waugh | Cast | Actress | Charlotte Proctor | 3 |
 Chanel Cresswell | Cast | Actress | Lesley Mead | 1 |
 Ben Bailey Smith | Cast | Actor | DC Brian Lodge | 3 |
 Laura Elphinstone | Cast | Actress | Tilly | 1 |
 Tor Clark | Cast | Actress | Foreman of the Jury | 1 |
 Ross Anderson | Cast | Actor | Douglas Stewart | 1 |
 Laurie Kynaston | Cast | Actor | Carl Stottor | 3 |
 Faye McKeever | Cast | Actress | Linda Jay | 3 |
 Alexander Bhat | Cast | Actor | DS Jones | 3 |
Alex Bhat | Cast | DS Jones | 3 | |
 Oscar Salem | Cast | Actor | Juan | 2 |
Ross Anderson | Cast | Douglas Stewart | 1 | |
Andy Jay | Cast | News Correspondent | 1 | |
| Person | Type | Job | Role(s) | Episodes |
