Jimmy Carr hosts the famous words and numbers quiz as 8 Out of 10 Cats team captain Jon Richardson alongside actor Stephen Mangan take on Lee Mack and 'Pointless' boffin Richard Osman.Henning Wehn is in the Dictionary Corner along with Countdown regular Susie Dent. Meanwhile, Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.
| Name | Type | Role | |
|---|---|---|---|
| Henning Wehn | Guest Star | ||
| Lee Mack | Guest Star | ||
| Richard Osman | Guest Star | ||
| Stephen Mangan | Guest Star |