| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Ken Horn | Crew | Production | Producer | 6 |
Sue Vertue | Crew | Production | Producer | 6 |
 Isabelle Sieb | Crew | Directing | Director | 2 |
Tom Moran | Crew | Creator | Creator, Writer | |
 Alex Ferns | Cast | Actor | DS Nick Holness | 6 |
 Jane McCarry | Cast | Actress | Bella Holness | 2 |
 Meera Syal | Cast | Actress | Dr. Ruby Bennett | 2 |
 Peter Capaldi | Cast | Actor | Gideon | 6 |
 Sidney Livingstone | Cast | Actor | Gerald Bell | 1 |
 Patrick Regis | Cast | Actor | DCI Thomas Hatby | 1 |
 Jessica Raine | Cast | Actress | Lucy Chambers | 6 |
 Rhiannon Harper-Rafferty | Cast | Actress | Debbie Warren | 6 |
 Nikesh Patel | Cast | Actor | DI Ravi Dhillon | 6 |
 Phil Dunster | Cast | Actor | Mike Stephens | 6 |
 Kim Allan | Cast | Actress | Young Sylvia | 2 |
 Rachel Denning | Cast | Actress | Head Chef | 1 |
 Tom Ashley | Cast | Actor | Sergeant Dorse | 2 |
 Angela Bain | Cast | Actress | Cathy Martin | 1 |
 Thomas Dominique | Cast | Actor | Lee Warren | 5 |
 Isaac Money | Cast | Actor | James | 1 |
John Alastair | Cast | Rob Shaw | 3 | |
 Jimmy Walker | Cast | Actor | Mr. A | 1 |
Tom Moran | Cast | Homeless Man | 1 | |
Zoe Aldrich | Cast | Actress | Not Our Lucy | 1 |
Rosie Jones | Cast | Actress | Miss Elena Rogers | 3 |
Benjamin Chivers | Cast | Isaac | 6 | |
Talia Walker Bassols | Cast | Meredith Warren | 6 | |
Blake Johnston-Miller | Cast | Young Malcolm | 1 | |
Alexa Goodall | Cast | Evelyn Wiseman | 1 | |
Harley Broomfield | Cast | Archie | 2 | |
Lunar Longhurst | Cast | Tilly Fisher | 1 | |
Brandon Bendell | Cast | Aiden Stenner | 2 | |
Ryan Hunter | Cast | Young Adult Gideon | 1 | |
Isabella Brownson | Cast | Kayleigh Shepherd | 1 | |
Carys Gaylor | Cast | Chloe Fisher | 2 | |
Leona Allen | Cast | Ellen Foster | 2 | |
Daisy Prosper | Cast | Mia Thomas | 1 | |
Ollie Baulsom | Cast | Jonah Taylor | 1 | |
Stephen Ashfield | Cast | Lawrence | 1 | |
Lily Ballantyne | Cast | Headphones | 1 | |
Cecilia Blair | Cast | Young Lucy | 2 | |
Milo Quinton | Cast | Zane | 1 | |
Rosie Jones | Cast | Miss Elena Rogers | 3 | |
| Person | Type | Job | Role(s) | Episodes |
