Jimmy Carr plays host along with regular 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who are joined by Miles Jupp and Aisling Bea. Countdown regular Susie Dent is in Dictionary Corner with help from Nick Helm while the country's favourite boffin Rachel Riley provides the letters and numbers with help from comedian Joe Wilkinson.

Jimmy Carr
Self - Presenter

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Jon Richardson
Self

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Sean Lock
Self

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Rachel Riley
Self

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Susie Dent
Self

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Joe Wilkinson
Himself

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Robert Deaton
Fabio

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Guest stars