| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Antonia Lloyd | Crew | Editing | Editor | 166 |
 Daniel Pemberton | Crew | Sound | Main Title Theme Composer | 1 |
Nicola Moody | Crew | Production | Executive Producer | 180 |
Lisa Hazlehurst | Crew | Production | Executive Producer | 45 |
Sarah Eglin | Crew | Production | Executive Producer | 195 |
Simon Cox | Crew | Camera | Camera Operator | 1 |
Claudine Parrish | Crew | Production | Producer | 45 |
Glenn Furmanski | Crew | Editing | Editor | 29 |
Francois Gandolfi | Crew | Directing | Director | 145 |
Phil Ashton | Crew | Directing | Director | 45 |
Tom Clarke | Crew | Production | Executive Producer, Producer | 90 |
 Adrian Edmondson | Cast | Actor | Self - Guest Judge | 1 |
 Alison Steadman | Cast | Actress | Self - Guest Judge | 1 |
 Andrew Ridgeley | Cast | Actor | Self - Guest Judge | 1 |
 Anita Dobson | Cast | Actress | Self - Guest Judge | 1 |
 Annabel Croft | Cast | Actress | Self - Guest Judge | 1 |
 Anthony Horowitz | Cast | Actor | Self - Guest Judge | 1 |
 Arabella Weir | Cast | Actress | Self - Guest Judge | 1 |
 Carol Vorderman | Cast | Actress | Self - Guest Judge | 1 |
 Cat Deeley | Cast | Actress | Self - Guest Judge | 1 |
 Cerys Matthews | Cast | Self - Guest Judge | 1 | |
 Charlie Higson | Cast | Actor | Self - Guest Judge | 3 |
 David Baddiel | Cast | Actor | Self - Guest Judge | 1 |
 David Bradley | Cast | Actor | Self - Guest Judge | 1 |
 Emma Kennedy | Cast | Actress | Self - Guest Judge | 1 |
 Floella Benjamin | Cast | Actress | Self - Guest Judge | 1 |
Helen Sharman | Cast | Actress | Self - Guest Judge | 1 |
 Huw Edwards | Cast | Actor | Self - Guest Judge | 1 |
 Jane Horrocks | Cast | Actress | Self - Guest Judge | 1 |
 Konnie Huq | Cast | Actress | Self - Guest Judge | 1 |
 Kulvinder Ghir | Cast | Actor | Self - Guest Judge | 1 |
 Lenny Henry | Cast | Actor | Self - Guest Judge | 1 |
 Malorie Blackman | Cast | Actress | Self - Guest Judge | 1 |
 Martin Kemp | Cast | Actor | Self - Guest Judge | 1 |
 Morwenna Banks | Cast | Actress | Self - Guest Judge | 1 |
 Nina Wadia | Cast | Actress | Self - Guest Judge | 1 |
 Patricia Hodge | Cast | Actress | Self - Guest Judge | 1 |
 Peter Hook | Cast | Actor | Self - Guest Judge | 1 |
 Peter Lord | Cast | Actor | Self - Guest Judge | 1 |
 Priyanga Burford | Cast | Actress | Self - Guest Judge | 1 |
 Ronni Ancona | Cast | Actress | Self - Guest Judge | 1 |
 Rowland Rivron | Cast | Actor | Self - Guest Judge | 1 |
 Simon Day | Cast | Actor | Self - Guest Judge | 1 |
 Steffan Rhodri | Cast | Actor | Self - Guest Judge | 1 |
 Steve Pemberton | Cast | Actor | Self - Guest Judge | 1 |
Sue Barker | Cast | Actress | Self - Guest Judge | 1 |
 Sue Cleaver | Cast | Actress | Self - Guest Judge | 1 |
Suzie Templeton | Cast | Actress | Self - Guest Judge | 1 |
 Tim Brooke-Taylor | Cast | Actor | Self - Guest Judge | 1 |
 Vic Reeves | Cast | Actor | Self - Guest Judge | 1 |
 Andi Oliver | Cast | Actress | Self - Judge | 48 |
 Angela Hartnett | Cast | Actress | Self - Judge | 37 |
Denise Lewis | Cast | Self - Guest Judge | 1 | |
 Gethin Jones | Cast | Self - Guest Judge | 1 | |
 Jacqueline Wilson | Cast | Actress | Self - Guest Judge | 1 |
 Julia Donaldson | Cast | Actress | Self - Guest Judge | 1 |
 Keisha Buchanan | Cast | Actress | Self - Guest Judge | 1 |
 Pete Waterman | Cast | Actor | Self - Guest Judge | 1 |
 Cressida Cowell | Cast | Actress | Self - Guest Judge | 1 |
 Michael Caines | Cast | Actor | Self - Judge | 3 |
 Frank Quitely | Cast | Actor | Self - Guest Judge | 1 |
 Oliver Jeffers | Cast | Actor | Self - Guest Judge | 1 |
 Colin Furze | Cast | Actor | Self - Guest Judge | 1 |
Margaret Aspinall | Cast | Actress | Self - Guest Judge | 1 |
 Colin Jackson | Cast | Actor | Self - Guest Judge | 1 |
 Rory Bremner | Cast | Actor | Self - Guest Judge | 1 |
 Debra Stephenson | Cast | Actress | Self - Guest Judge | 1 |
 Simon King | Cast | Actor | Self - Guest Judge | 1 |
 Ed Gamble | Cast | Actor | Self - Judge | 43 |
Tim Henman | Cast | Actor | Self - Guest Judge | 1 |
 Marcus Wareing | Cast | Actor | Self - Judge | 18 |
 Joe Sugg | Cast | Actor | Self - Guest Judge | 1 |
 Tom Kerridge | Cast | Actor | Self - Judge | 60 |
Angela Baker | Cast | Actress | Self - Guest Judge | 2 |
 Gary 'Mani' Mounfield | Cast | Actor | Self - Guest Judge | 1 |
 Susan Calman | Cast | Actress | Self - Presenter | 29 |
 Ellie Simmonds | Cast | Actress | Self - Guest Judge | 1 |
 Rachel Khoo | Cast | Actress | Self - Judge | 12 |
 Martin Bell | Cast | Actor | Self - Guest Judge | 1 |
 Dev | Cast | Actor | Self - Guest Judge | 1 |
 Richard Coles | Cast | Actor | Self - Guest Judge | 1 |
 Prue Leith | Cast | Actress | Self - Judge | 60 |
Joe Choong | Cast | Self - Guest Judge | 1 | |
 Ali Campbell | Cast | Actor | Self - Guest Judge | 1 |
 Phil Wang | Cast | Actor | Self - Guest Judge | 1 |
 Max Hastings | Cast | Actor | Self - Guest Judge | 1 |
 Amy Macdonald | Cast | Actress | Self - Guest Judge | 1 |
Dúaa Karim | Cast | Actress | Self - Guest Judge | 1 |
 Zoe Laughlin | Cast | Actress | Self - Guest Judge | 1 |
 Greg James | Cast | Actor | Self - Guest Judge | 1 |
 Judy Murray | Cast | Actress | Self - Guest Judge | 1 |
 JB Gill | Cast | Self - Guest Judge | 1 | |
 Jonnie Peacock | Cast | Actor | Self - Guest Judge | 1 |
 Mansour Bahrami | Cast | Actor | Self - Guest Judge | 1 |
 Sat Bains | Cast | Actor | Self - Judge | 8 |
 Loyle Carner | Cast | Self - Guest Judge | 1 | |
 Nisha Katona | Cast | Actress | Self - Judge | 36 |
 Laura Kenny | Cast | Actress | Self - Guest Judge | 1 |
Greg Jenner | Cast | Actor | Self - Guest Judge | 1 |
 Paul Ainsworth | Cast | Actor | Self - Judge | 16 |
 Tom Aikens | Cast | Self - Judge | 23 | |
 Dapo Adeola | Cast | Actor | Self - Guest Judge | 1 |
 Wendy Lloyd | Cast | Actress | Narrator | 344 |
| Person | Type | Job | Role(s) | Episodes |
