Jimmy Carr hosts the game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Sarah Millican and Nish Kumar take on Jon Richardson and Maisie Adam. David O'Doherty is in Dictionary Corner.
| Name | Type | Role | |
|---|---|---|---|
| David O'Doherty | Guest Star | ||
| Sarah Millican | Guest Star | ||
| Nish Kumar | Guest Star | ||
| Maisie Adam | Guest Star |