Jimmy Carr hosts a brand-new series of the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jon Richardson and Jo Brand take on Joe Wilkinson and Jamali Maddix. Rachel Parris is in Dictionary Corner.
| Name | Type | Role | |
|---|---|---|---|
| Rachel Parris | Guest Star | ||
| Jo Brand | Guest Star | ||
| Joe Wilkinson | Guest Star | ||
| Jamali Maddix | Guest Star |