Jimmy Carr hosts the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Richard Ayoade and Sara Pascoe take on Jon Richardson and Chris McCausland. Morgana Robinson is in Dictionary Corner.
| Name | Type | Role | |
|---|---|---|---|
| Richard Ayoade | Guest Star | ||
| Sara Pascoe | Guest Star | ||
| Chris McCausland | Guest Star | ||
| Morgana Robinson | Guest Star |