| Name | Character | Episodes |
|---|---|---|
| Stephen Mangan | Himself - Narrator | 6 |
| Carol Vorderman | Herself | 1 |
| Nicholas Parsons | Himself | 1 |
| Chris Tarrant | Himself | 1 |
| John Lloyd | Himself | 1 |
| Barry Cryer | Himself | 1 |
| Bamber Gascoigne | Himself | 1 |
| Name | Character | Episodes |
|---|---|---|
| Stephen Mangan | Himself - Narrator | 6 |
| Carol Vorderman | Herself | 1 |
| Nicholas Parsons | Himself | 1 |
| Chris Tarrant | Himself | 1 |
| John Lloyd | Himself | 1 |
| Barry Cryer | Himself | 1 |
| Bamber Gascoigne | Himself | 1 |