Wanneer zijn ouders gaan ballroomdansen, verblijft Ben altijd bij zijn grootmoeder. Hij vindt haar maar suf. Totdat hij ontdekt dat ze ooit een legendarische juwelendief was. Zou het geen leuk idee zijn om samen de kroonjuwelen uit de Tower of London te stelen?
Nee, helaas is Gangsta Granny nog niet beschikbaar op Netflix in Nederland.
| 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 Savage | Script Supervisor |
| Production | Nikki Chamberlin | Production Accountant |
| Camera | Gary Moyes | Still Photographer |
| Production | Katie Neal | Production Coordinator |
| Crew | Jo Wellings | Choreographer |
