| Name | Character | Episodes |
|---|---|---|
| Paul Marc Davis | Corakinus | 8 |
| Con O'Neill | Huw MacLean | 8 |
| Katherine Kelly | Miss Andrea Quill | 8 |
| Anna Shaffer | Rachel Chapman | 8 |
| Nigel Betts | Mr. Frank Armitage | 8 |
| Ellie James | Female Student | 8 |
| Pooky Quesnel | Dorothea Ames | 8 |
| Aaron Neil | Varun Singh | 8 |
| Fady Elsayed | Ram Singh | 8 |
| Ben Peel | Coach Tom Dawson | 8 |
| Jordan Renzo | Matteusz Andrzejewski | 8 |
| Sophie Hopkins | April MacLean | 8 |
| Peter Capaldi | The Doctor | 1 |
| Cyril Nri | Chair | 1 |