| Actor | Role |
|---|---|
 Mia WasikowskaMrs. Meek | Mrs. Meek |
 Blake HarrisonMr. Meek | Mr. Meek |
 Taika WaititiThe Viscount | The Viscount |
 Iona BellMyrtle | Myrtle |
 Penelope WiltonNot listed | Not listed |
 David WalliamsHeadmaster | Headmaster |
 Richard RoxburghNot listed | Not listed |
 Robyn NevinNot listed | Not listed |
| KKaiya ThaynKiddo | Kiddo |
 Sidhant AnandTyler | Tyler |
| KKian'dre PriceNot listed | Not listed |
| AAdam FraserNot listed | Not listed |