Didi and Max are the most competitive best friends in the fourth grade. But their friendship hangs in the balance when Principal Jack announces a school-wide contest to see who can sell the most fertilizer.
| Actor | Role |
|---|---|
| HHannah Wadman-ScanlanDidi | Didi |
 Percy Hynes WhiteMax | Max |
| MMike DalyPrincipal Jack | Principal Jack |
 Ruth LawrenceNot listed | Not listed |
 Allison Moira KellyNot listed | Not listed |
| NNicolas KeoughClassmate | Classmate |
| EElaine CondonCrossing Guard | Crossing Guard |
| RRachel CousinsClassmate | Classmate |
| JJohn Wadman-ScanlanClassmate | Classmate |
| BBenjamin WallClassmate | Classmate |
| LLeah HatcherClassmate | Classmate |
| KKatherine HatcherClassmate | Classmate |
| RRachel LeggeClassmate | Classmate |
| LLauren HaywardNot listed | Not listed |
| JJennifer SmithNot listed | Not listed |