Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent. Roisin Conaty and Phil Wang play against Joe Wilkinson and Lou Sanders, with David O'Doherty joining Susie in Dictionary Corner.
| Name | Type | Role | |
|---|---|---|---|
| Joe Wilkinson | Guest Star | ||
| Roisin Conaty | Guest Star | ||
| Phil Wang | Guest Star | ||
| Lou Sanders | Guest Star | ||
| David O'Doherty | Guest Star | Dictionary Corner |