A young boy is bored spending time with his dull grandma until he discovers she's an international Jewel thief.
| Directing | Matt Lipsey | Director |
| Writing | David Walliams | Novel |
| Writing | Kevin Cecil | Adaptation |
| Writing | Andy Riley | Adaptation |
| Production | Mark Freeland | Executive Producer |
| Production | Sue Longstaff | Associate Producer |
| Production | Jo Sargent | Producer |
| Sound | David Arnold | Original Music Composer |
| Sound | Michael Price | Original Music Composer |
| Camera | Tim Palmer | Director of Photography |
| Editing | Joe Randall-Cutler | Editor |
| Production | John Cannon | Casting |
| Production | Julia Crampsie | Casting |
| Art | Arwel Jones | Production Design |
| Art | Samantha Jay Cliff | Art Direction |
| Costume & Make-Up | Annie Hardinge | Costume Design |
| Costume & Make-Up | Lisa Cavalli-Green | Makeup Designer |
| Costume & Make-Up | Lisa Cavalli-Green | Hair Designer |
| Costume & Make-Up | Helen Conroy | Makeup Artist |
| Costume & Make-Up | Roxana Habibi | Makeup Artist |
| Costume & Make-Up | Annabelle McMahon | Makeup & Hair |
| Production | Saskia Whinney | Unit Manager |
| Directing | Jim Imber | First Assistant Director |
| Directing | Christian Rigg | Second Assistant Director |
| Directing | Timothy Wood | Third Assistant Director |
| Visual Effects | Jenny Anderson | Visual Effects Supervisor |
| Visual Effects | Barney Curnow | Visual Effects Supervisor |
| Crew | Ray De-Haan | Stunt Coordinator |
| Camera | Danny Crocker | Focus Puller |
| Lighting | Ian Glenister | Gaffer |
| Camera | Jon Howard | Focus Puller |
| Camera | Darren Johnson | Clapper Loader |
| Camera | James Leckey | First Assistant Camera |
| Camera | Claire Pie | Clapper Loader |
| Camera | Barney Piercy | Second Assistant Camera |
| Lighting | Suzanne Sanders | Rigging Gaffer |
| Costume & Make-Up | Debbie Roberts | Assistant Costume Designer |
| Editing | Alexander Leask | Colorist |
| Editing | Gary Scullion | Assistant Editor |
| Production | Saskia Whinney | Location Manager |
| Directing | Karen Jones | Script Supervisor |
| Production | Nikki Chamberlin | Production Accountant |
| Camera | Gary Moyes | Still Photographer |
| Production | Katie Neal | Production Coordinator |
| Crew | Jo Wellings | Choreographer |
