| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Alexander Armstrong | Cast | Actor | Themselves - Contestant | 1 |
 Bradley Walsh | Cast | Actor | Self - Host | 35 |
 Carol Vorderman | Cast | Actress | Self | 1 |
 Clive Mantle | Cast | Actor | Self | 1 |
 Dom Joly | Cast | Actor | Self | 1 |
 Gyles Brandreth | Cast | Actor | Self | 1 |
 Jo Brand | Cast | Actress | Themselves - Contestant | 1 |
 Joe Pasquale | Cast | Actor | Self | 1 |
 Kaye Adams | Cast | Actress | Self | 1 |
 Krishnan Guru-Murthy | Cast | Actor | Self | 1 |
 Omid Djalili | Cast | Actor | Self | 1 |
 Samia Longchambon | Cast | Actress | Self | 1 |
 Shaun Williamson | Cast | Actor | Self | 1 |
 Adrian Chiles | Cast | Actor | Self | 1 |
 Gregg Wallace | Cast | Actor | Self | 1 |
 Katherine Ryan | Cast | Actress | Self | 1 |
 Kirsty Gallacher | Cast | Actress | Themselves - Contestant | 1 |
 Russell Kane | Cast | Actor | Self | 1 |
 Gareth Malone | Cast | Actor | Themselves - Contestant | 1 |
 Rachel Riley | Cast | Actress | Themselves - Contestant | 1 |
 Radzi Chinyanganya | Cast | Actor | Self | 1 |
 Nish Kumar | Cast | Actor | Themselves - Contestant | 1 |
 Joel Dommett | Cast | Actor | Self | 1 |
 Jake Wood | Cast | Actor | Self | 1 |
 Mark Labbett | Cast | Actor | Self - Chaser | 35 |
 Jenny Eclair | Cast | Actress | Self | 1 |
 Paul Sinha | Cast | Actor | 7 | |
 Dr Zoe Williams | Cast | Actress | Self | 1 |
 Shaun Wallace | Cast | Actor | Self - Chaser | 35 |
 Chris McCausland | Cast | Actor | Themselves - Contestant | 1 |
 Anne Hegerty | Cast | Actress | Self - Chaser | 27 |
 Jenny Ryan | Cast | Actress | Self - Chaser | 35 |
 Brenda Edwards | Cast | Actress | Self | 1 |
 Dion Dublin | Cast | Actor | Themselves - Contestant | 1 |
 Darragh Ennis | Cast | Actor | Self - Chaser | 15 |
Matt Allwright | Cast | Self | 1 | |
Mary Earps | Cast | Themselves - Contestant | 1 | |
| Person | Type | Job | Role(s) | Episodes |
