| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Laura Turner | Crew | Production | Producer | 13 |
Tamara Gilder | Crew | Production | Executive Producer | 16 |
Adam Hart-Davis | Cast | Self | 1 | |
 Alexander Armstrong | Cast | Actor | Self - Host | 327 |
 Andrew Graham-Dixon | Cast | Actor | Self | 1 |
 Andrew Hayden-Smith | Cast | Actor | Self | 1 |
 Anneka Rice | Cast | Actress | Self - Contestant | 1 |
 Bernard Cribbins | Cast | Actor | Self | 1 |
 Brian Conley | Cast | Actor | Self | 1 |
 Charlie Higson | Cast | Actor | Self | 1 |
 Colin Baker | Cast | Actor | Self | 1 |
 Colin Salmon | Cast | Actor | Self - Contestant | 1 |
 Dave Benson Phillips | Cast | Actor | Self | 1 |
 Dawn Hope | Cast | Actress | Self - Contestant | 1 |
 Ed Byrne | Cast | Actor | Self | 1 |
 Frazer Hines | Cast | Actor | Self | 1 |
 Harriet Thorpe | Cast | Actress | Self - Contestant | 1 |
 Hugh Dennis | Cast | Actor | Self | 1 |
 Jacqueline King | Cast | Actress | Self | 1 |
 Jan Ravens | Cast | Actress | Self - Contestant | 1 |
 Janet Street-Porter | Cast | Actress | Self - Contestant | 1 |
 Jean Fergusson | Cast | Actress | Self | 1 |
 John Cooper Clarke | Cast | Actor | Self - Contestant | 1 |
 John Craven | Cast | Actor | Self | 1 |
 John Leeson | Cast | Actor | K-9 (voice) | 1 |
 John McCririck | Cast | Actor | Self | 1 |
 Julie Wilson Nimmo | Cast | Self | 1 | |
 Linda Lusardi | Cast | Actress | Linda Lusardi | 1 |
 Lisa Maxwell | Cast | Actress | Self - Contestant | 1 |
 Louise Jameson | Cast | Actress | Self | 1 |
 Lucy Porter | Cast | Actress | Self | 1 |
 Mark Moraghan | Cast | Actor | Contestant | 1 |
 Mark Wingett | Cast | Actor | Self - Contestant | 1 |
 Matt Baker | Cast | Actor | Self | 1 |
 Nicola Bryant | Cast | Actress | Self | 2 |
 Noel Edmonds | Cast | Actor | Self | 1 |
 Paul Bradley | Cast | Actor | Self | 1 |
 Pauline McLynn | Cast | Actress | Self | 1 |
 Richard Gibson | Cast | Actor | Self | 1 |
 Richard Osman | Cast | Actor | Self - Host | 327 |
Rosie Marcel | Cast | Actress | Self - Contestant | 1 |
Samuel Kane | Cast | Actor | Samuel Kane | 1 |
 Sherrie Hewson | Cast | Actress | Self - Contestant | 1 |
 Sophie Aldred | Cast | Actress | Self | 1 |
 Stephanie Beacham | Cast | Actress | Self | 1 |
Steve Davis | Cast | Actor | Self - Contestant | 1 |
 Stuart Maconie | Cast | Actor | Self - Contestant | 1 |
 Sylvester McCoy | Cast | Actor | Self | 1 |
 Vicki Michelle | Cast | Actress | Self | 1 |
 Wayne Sleep | Cast | Actor | Self - Contestant | 1 |
 Adil Ray | Cast | Actor | Self | 1 |
 Alice Roberts | Cast | Actress | Self - Contestant | 1 |
Andrew Agnew | Cast | Self | 1 | |
 Ann Widdecombe | Cast | Actress | Self | 1 |
 Anton du Beke | Cast | Actor | Self - Contestant | 1 |
Antony Costa | Cast | Actor | Self - Contestant | 2 |
 Barney Harwood | Cast | Actor | Self - Contestant | 1 |
 Ben Willbond | Cast | Actor | Self | 2 |
 Chico Slimani | Cast | Self - Contestant | 1 | |
 Chizzy Akudolu | Cast | Actress | Self - Contestant | 1 |
 Craig Revel Horwood | Cast | Actor | Self | 1 |
 Dermot Murnaghan | Cast | Self - Contestant | 1 | |
 Emma Barton | Cast | Actress | Self - Contestant | 1 |
 Jim Howick | Cast | Actor | Self | 1 |
 Linda Martin | Cast | Actress | Self - Contestant | 1 |
 Mark Watson | Cast | Actor | Self - Contestant | 1 |
 Matthew Wright | Cast | Self - Contestant | 1 | |
 Miles Jupp | Cast | Actor | Self | 1 |
 Rav Wilding | Cast | Actor | Self - Contestant | 1 |
 Russell Kane | Cast | Actor | Self | 1 |
 Scott Mills | Cast | Actor | Self - Contestant | 5 |
 Tiff Stevenson | Cast | Actress | Self - Contestant | 1 |
Tim Wonnacott | Cast | Self | 1 | |
 Donna Preston | Cast | Actress | Self - Contestant | 1 |
 Gok Wan | Cast | Actor | Self | 1 |
 Jim Al-Khalili | Cast | Actor | Self - Contestant | 1 |
 Laurence Rickard | Cast | Actor | Self | 1 |
 Mark Horton | Cast | Actor | Self - Contestant | 1 |
 Megan McKenna | Cast | Self - Contestant | 1 | |
 Neil Fingleton | Cast | Actor | Himself | 1 |
 Eddie Kadi | Cast | Actor | Self - Contestant | 1 |
 Janina Ramirez | Cast | Actress | Self | 1 |
 Tom Rosenthal | Cast | Actor | Self - Contestant | 1 |
 Ian 'H' Watkins | Cast | Actor | Self - Contestant | 1 |
 Pat Sharp | Cast | Self | 1 | |
 Sarah-Jane Crawford | Cast | Actress | Self - Contestant | 1 |
 Robin Ince | Cast | Actor | Self - Contestant | 1 |
 Tina Hobley | Cast | Actress | Contestant | 1 |
Natasha Kaplinsky | Cast | Actress | Self | 1 |
 Sinitta | Cast | Actress | Self - Contestant | 1 |
 Matt Richardson | Cast | Actor | Contestant | 1 |
 Jacqui Smith | Cast | Actress | Self | 1 |
 Faye Brookes | Cast | Self - Contestant | 1 | |
 Ayesha Hazarika | Cast | Actress | Self | 1 |
Des Clarke | Cast | Self - Contestant | 1 | |
 Johnny Ball | Cast | Actor | Self | 1 |
 Liz McClarnon | Cast | Actress | Self - Contestant | 1 |
 Stephen K. Amos | Cast | Actor | Self | 1 |
 Faye Tozer | Cast | Actress | Self - Contestant | 1 |
 Terri Dwyer | Cast | Actress | Self - Contestant | 1 |
 Alex Jones | Cast | Actress | Self | 1 |
 Jenny Eclair | Cast | Actress | Self - Contestant | 1 |
 Julia Bradbury | Cast | Actress | Self | 1 |
 Clara Amfo | Cast | Actress | Self - Contestant | 1 |
 Paul Martin | Cast | Actor | Self - Contestant | 1 |
 Suzannah Lipscomb | Cast | Actress | Self - Contestant | 1 |
 Isabel Oakeshott | Cast | Actress | Self | 1 |
 Kate Williams | Cast | Actress | Self | 1 |
 Rachel Johnson | Cast | Actress | Self | 1 |
 Helen Skelton | Cast | Actress | Self | 1 |
Deta Hedman | Cast | Actress | Self - Contestant | 1 |
 Martel Maxwell | Cast | Actress | Self - Contestant | 1 |
 Martin Bell | Cast | Actor | Self | 1 |
Eric Bristow | Cast | Actor | Self - Contestant | 1 |
 Dev | Cast | Actor | Self - Contestant | 1 |
 Michael Buerk | Cast | Actor | Self - Contestant | 1 |
 Camilla Tominey | Cast | Actress | Self | 1 |
 Ella Whelan | Cast | Actress | Self | 1 |
 Laura Tobin | Cast | Actress | Self - Contestant | 1 |
 Johnnie Walker | Cast | Actor | Self - Contestant | 1 |
 David Seaman | Cast | Self - Contestant | 1 | |
 Phil Wang | Cast | Actor | Self | 1 |
 Zoe Lyons | Cast | Actress | Self | 1 |
 Maggie Aderin-Pocock | Cast | Actress | Self - Contestant | 2 |
 Michelle Ackerley | Cast | Actress | Contestant | 1 |
 Måns Zelmerlöw | Cast | Actor | Self - Contestant | 1 |
 Iain Dale | Cast | Actor | Self | 1 |
 Nihal Arthanayake | Cast | Actor | Self - Contestant | 1 |
 Kevin Maguire | Cast | Actor | Self | 1 |
Brenton West | Cast | Self - Contestant | 1 | |
Lucia Scalisi | Cast | Self - Contestant | 1 | |
 Andrew Maxwell | Cast | Actor | Contestant | 1 |
 Dr. Alex George | Cast | Self - Contestant | 1 | |
Jim Rosenthal | Cast | Self - Contestant | 1 | |
Shelagh Fogarty | Cast | Self - Contestant | 1 | |
 Christian O'Connell | Cast | Actor | Self - Contestant | 1 |
 Rosie Jones | Cast | Actress | Self | 1 |
 Gemma Cairney | Cast | Actress | Self - Contestant | 1 |
 Tina Malone | Cast | Actress | Self | 1 |
Danny Sebastian | Cast | Self - Contestant | 1 | |
 Ranj Singh | Cast | Actor | Contestant | 1 |
Huw Stephens | Cast | Self - Contestant | 1 | |
Russ Bray | Cast | Actor | Self - Contestant | 1 |
 Trudie Goodwin | Cast | Actress | Self - Contestant | 1 |
 Greg James | Cast | Actor | Self - Contestant | 1 |
Jay Aston | Cast | Self - Contestant | 1 | |
 Trevor Nelson | Cast | Actor | Self - Contestant | 1 |
 Natasha Hamilton | Cast | Actress | Self - Contestant | 1 |
 Vick Hope | Cast | Actress | Self - Contestant | 1 |
 Sarah Lindsay | Cast | Actress | Self - Contestant | 1 |
Luke Kempner | Cast | Self - Contestant | 1 | |
Eric Knowles | Cast | Self - Contestant | 1 | |
 Janette Manrara | Cast | Actress | Self - Contestant | 1 |
Luba Mushtuk | Cast | Self - Contestant | 1 | |
Slim | Cast | Self - Contestant | 1 | |
 Kemah Bob | Cast | Self - Contestant | 1 | |
Rachel Fairburn | Cast | Self - Contestant | 1 | |
Raj Bisram | Cast | Self - Contestant | 1 | |
 AJ Odudu | Cast | Actress | Self - Contestant | 1 |
 Belinda Owusu | Cast | Actress | Self - Contestant | 1 |
Dr Christian Jessen | Cast | Contestant | 1 | |
Trina Gulliver | Cast | Actress | Self - Contestant | 1 |
 Alfie Brown | Cast | Self - Contestant | 1 | |
Nigel Nelson | Cast | Self | 1 | |
 John Pienaar | Cast | Actor | Self | 1 |
 Daði Freyr | Cast | Actor | Self - Contestant | 1 |
 Kadeena Cox | Cast | Self - Contestant | 1 | |
 Chris Stark | Cast | Actor | Self - Contestant | 2 |
Sally Boazman | Cast | Actress | Self - Contestant | 1 |
Elizabeth Alker | Cast | Actress | Self - Contestant | 1 |
 Yasmin Evans | Cast | Actress | Self - Contestant | 1 |
 Ken Bruce | Cast | Actor | Self - Contestant | 5 |
Joanne Clifton | Cast | Self - Contestant | 1 | |
 Holly Hamilton | Cast | Self - Contestant | 1 | |
Fee Mak | Cast | Self - Contestant | 1 | |
 Martin Roberts | Cast | Actor | Self - Contestant | 3 |
 Jenny McCririck | Cast | Actress | Self | 1 |
 Erin Boag | Cast | Actress | Self | 1 |
 La Voix | Cast | Self - Contestant | 1 | |
Priya Hall | Cast | Self - Contestant | 1 | |
 Yolanda Brown | Cast | Actress | Self - Contestant | 1 |
Richie Anderson | Cast | Self - Contestant | 2 | |
 Brendan Cole | Cast | Self - Contestant | 1 | |
Keith Harris | Cast | Actor | Keith Harris | 1 |
Natasha Raskin Sharp | Cast | Self - Contestant | 1 | |
 Leila Navabi | Cast | Self - Contestant | 1 | |
Will Kirk | Cast | Self - Contestant | 1 | |
 Atul Kochhar | Cast | Actor | Self - Contestant | 1 |
 Katie Thistleton | Cast | Actress | Contestant | 1 |
 Michael Fabricant | Cast | Actor | Self | 1 |
 Sindhu Vee | Cast | Actress | Self | 1 |
Mwaka Mudenda | Cast | Actress | Self - Contestant | 1 |
| Person | Type | Job | Role(s) | Episodes |
