| Name | Character | Episodes |
|---|---|---|
| Derek Benfield | Mr. Walmsley | 6 |
| Ivor Roberts | Phillip Thomas | 6 |
| Paula Tilbrook | Mrs. Walmsley | 6 |
| Windsor Davies | George Vance | 6 |
| Sean Chapman | Robert Vance | 5 |
| Eilian Wyn | Owen Thomas | 4 |
| Julian Curry | Lecturer | 2 |
| Paul Beech | Butler | 2 |
| Rebecca Lacey | Deirdre | 1 |
| Diana Berriman | Sharon | 1 |
| Colin Blakely | George Vance | 0 |
| Gwen Taylor | Enid Vance | 0 |
| Richard Davies | Steffan Caradoc | 0 |
| Eilian Wyn | Evan Vance | 0 |