| Name | Character | Episodes |
|---|---|---|
| Sandi Toksvig | Host | 22 |
| Chris Addison | Team Captain | 16 |
| Sue Perkins | Team Captain | 16 |
| Tim Brooke-Taylor | Team Captain | 6 |
| Dave Gorman | Team Captain | 6 |
| Robin Ince | Self | 4 |
| John O'Farrell | Self | 3 |
| Dave Gorman | Self | 3 |
| Josie Long | Self | 2 |
| Lucy Porter | Self | 2 |
| Jenny Eclair | Self | 2 |
| Stephen K. Amos | Self | 2 |
| Richard Herring | Self | 1 |
| Will Smith | Self | 1 |
| Frank Skinner | Self | 1 |
| Alistair McGowan | Self | 1 |
| Nicholas Parsons | Self | 1 |
| Marcus Brigstocke | Self | 1 |
| Rich Hall | Self | 1 |
| Rick Wakeman | Self | 1 |
| Graeme Garden | Self | 1 |
| Germaine Greer | Self | 1 |
| Mark Steel | Self | 1 |
| Jan Ravens | Self | 1 |
| Rory McGrath | Self | 1 |