| Name | Character | Episodes |
|---|---|---|
| Alice Eve | Cicely Boyd | 3 |
| Mark Williams | Sam Williams | 3 |
| Elizabeth Berrington | Irene Anderton | 3 |
| Rafe Spall | Sean Harding | 3 |
| Hugo Speer | Bill Anderton | 3 |
| Tony Haygarth | 3 | |
| Rebecca Front | Sheila Trotter | 3 |
| Geoffrey Breton | Ben Trotter | 3 |
| Kevin Doyle | Colin Trotter | 3 |
| Sarah Lancashire | Barbara Chase | 3 |
| Cara Horgan | Claire Newman | 3 |
| Julian Rhind-Tutt | Nigel Plumb | 3 |
| Henry Lloyd-Hughes | 3 | |
| Rasmus Hardiker | Philip Chase | 3 |
| Christine Tremarco | 3 | |
| Peter Bankolé | Steve Richards | 3 |
| Olivia Poulet | 3 | |
| Alice O'Connell | Lois Trotter | 3 |
| Roderick Smith | Donald Newman | 3 |
| Hugh Bonneville | Voice of Adult Ben | 2 |
| Geoffrey Whitehead | Headmaster | 2 |
| Pip Torrens | English Master | 1 |
| Andrew Tiernan | Roy Slater | 1 |
| Christopher Fairbank | Roll-up Reg | 1 |
| Aaron McCusker | Liam Morrissey | 1 |
| Simon Meacock | NME Journalist | 1 |