| Name | Character | Episodes |
|---|---|---|
| Spencer Jones | Photographer | 2 |
| Emma Thompson | Debbie | 1 |
| Russ Abbot | Morris Roebuck | 1 |
| Mackenzie Crook | Fly (voice) | 1 |
| Matt Berry | Narrator | 1 |
| Aisling Bea | Sarah | 1 |
| Paul Kaye | Spider (voice) | 1 |
| Bill Bailey | William/Craig/Bill | 1 |
| Felicity Montagu | Isobel | 1 |
| Esther Smith | Her | 1 |
| Katy Wix | Katy | 1 |
| Sara Pascoe | Lance | 1 |
| Romesh Ranganathan | Romesh | 1 |
| Elis James | Huunting | 1 |