| Jeffrey Tambor |
Host / Presenter (Series 999) |
| Ray Johnson |
Elton John (Series 999) |
| Phil Cornwell |
Voice (Voice) (Series 999) |
| Richard Bacon |
Self (Series 999) |
| Patrick Moore (as Sir Patrick Moore) |
Self (Series 999) |
| Dermot O'Leary |
Self (Series 999) |
| Max Clifford |
Self (Series 999) |
| Dave Mounfield (as David Mounfield) |
Self (Series 999) |
| Neil Hamilton |
Self (Series 999) |
| Narinder Kaur |
Self (Series 999) |
| Nina Wadia |
Self (Series 999) |
| Chris Cresswell |
Self (Series 999) |
| Ruth Glaser |
Self (Series 999) |
| Sarah Cole |
Self (Series 999) |
| Liz Aggiss |
Self (Series 999) |
| Ruben Toal-Ganger |
Self (Series 999) |
| Ella Toal-Ganger |
Self (Series 999) |
| Lauren Harries |
Self (Series 999) |
| Christine Hamilton |
Self (Series 999) |
| Germaine Greer (as Professor Germaine Greer) |
Self (Series 999) |
| John Roach |
Self (Series 999) |
| Benjamin Pell |
Ensemble Actor (Series 999) |