The story of Len, who made a billion dollars from inventing a new toilet roll, and his 12-year-old son Joe who appears to have everything he could want but what he really needs is a friend.
Unfortunately the movie Billionaire Boy is not yet available on HBO Max.
| Writing | Kevin Cecil | Writer |
| Writing | David Walliams | Writer |
| Production | Joanna Hanley | Producer |
| Production | Gregor Sharp | Producer |
| Production | Joseph Sargent | Producer |
| Directing | Matt Lipsey | Director |
| Writing | David Walliams | Original Story |
| Costume & Make-Up | Leah Archer | Costume Design |
| Costume & Make-Up | Andrea Dowdall-Goddard | Makeup & Hair Assistant |
| Art | Richard Drew | Production Design |
| Costume & Make-Up | Jackie Sweeney | Makeup Artist |
| Production | Julia Crampsie | Casting |
| Camera | Francis De Groote | Director of Photography |
| Sound | Matt Atkinson | Boom Operator |
| Art | Rod Whiting | Property Master |
| Editing | Joe Randall-Cutler | Editor |
| Costume & Make-Up | Janita Doyle | Makeup Designer |
| Costume & Make-Up | Louise Perkins | Makeup Artist |
| Sound | Oscar Bloomfield-Crowe | Sound Effects Editor |
| Sound | Anne Dudley | Original Music Composer |
| Directing | Anita Christy | Script Supervisor |
| Art | Jo White | Art Direction |
| Lighting | Salvador Gomez-Lopez | Gaffer |
| Costume & Make-Up | Julie Atkins | Makeup Artist |
| Camera | Steve Avison | Key Grip |
| Costume & Make-Up | Laura Viana da Silva | Makeup Artist |
