| Name | Character | Episodes |
|---|---|---|
| Michael Portillo | Self - Panelist | 583 |
| Alastair Campbell | Self | 1 |
| Maryam d'Abo | 1 | |
| Aisling Bea | Self | 1 |
| Keith Floyd | 1 | |
| Jane Horrocks | Self | 1 |
| Janet Street-Porter | 1 | |
| Rory Bremner | Self | 1 |
| Suzannah Lipscomb | Self - Guest | 1 |
| Alice Roberts | Herself - Guest | 1 |
| Katherine Jenkins | Herself - Guest | 1 |