We join Ben a year on as he is getting used to life without his beloved Gran. With the memory of their daring Crown Jewel heist still fresh in his mind, he is stunned to learn another spate of thefts are beginning to occur - with all the clues pointing to The Black Cat, better known to Ben as Granny!
| Writing | David Walliams | Book |
| Production | Jo Sargent | Executive Producer |
| Writing | David Walliams | Writer |
| Writing | Kevin Cecil | Writer |
| Production | Rosemary McGowan | Producer |
| Production | Nick Leadbitter | Co-Producer |
| Directing | Dan Zeff | Director |
| Directing | Scott Etherington | First Assistant Director |
| Production | Rob Kelly | Casting |
| Editing | Adam Windmill | Editor |
| Camera | Sarah Bartles-Smith | Director of Photography |
| Crew | Guiomar Alonso | Stunt Coordinator |
| Crew | Juliette Cheveley | Stunts |
| Crew | Kim McGarrity | Stunts |
| Crew | Doug Robson | Stunts |
| Crew | Rocky Taylor | Stunts |
| Directing | Grant L. Wright | Second Assistant Director |
| Directing | Eleanor Clayton | Third Assistant Director |
| Production | Amy Damonte | Casting Associate |
| Production | Sophie Halton | Production Manager |
| Production | Stephen Carruthers | Production Secretary |
| Directing | Kriss Landin | Script Supervisor |
| Production | Mark Frosdick | Unit Manager |
| Art | David Konix | Art Direction |
| Art | Laurie Law | Set Decoration |
| Art | Holly Westall | Graphic Designer |
| Art | Brian Hampton | Property Master |
| Sound | Sam Masters | Boom Operator |
| Costume & Make-Up | Olivia Birch | Costume Supervisor |
| Costume & Make-Up | Reena Gohil | Makeup & Hair |
| Costume & Make-Up | Katie Mahon | Makeup & Hair |
| Crew | Ellen Kane | Choreographer |
| Crew | Jemma Gershinson | Post Production Supervisor |
| Sound | Laura Menzies | ADR Coordinator |
| Sound | Gustaf Jackson | Dialogue Editor |
| Editing | Sonny Sheridan | Colorist |
| Sound | Jamie Selway | Sound Mixer |
| Sound | Jessica Dannheisser | Original Music Composer |
| Sound | Geoff Wong | Sound Recordist |
| Costume & Make-Up | Susie Munachen | Makeup Designer |
| Costume & Make-Up | Susie Munachen | Hair Designer |
| Costume & Make-Up | Lucia Santa-Maria | Costume Designer |
| Art | Julian Fullalove | Production Design |
| Production | Melissa Hardinge | Executive Producer |
