Jimmy Carr hosts the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jonathan Ross and Russell Kane take on Alan Carr and Judi Love. Josh Jones is in Dictionary Corner.
| Name | Type | Role | |
|---|---|---|---|
| Jonathan Ross | Guest Star | Captain | |
| Russell Kane | Guest Star | ||
| Alan Carr | Guest Star | Captain | |
| Judi Love | Guest Star | ||
| Josh Jones | Guest Star | Dictionary Corner |