| Name | Character | Episodes |
|---|---|---|
| Tom Kerridge | Self - Judge | 59 |
| Ed Gamble | Self - Judge | 42 |
| Susan Calman | Self - Presenter | 29 |
| Charlie Higson | Self - Guest Judge | 3 |
| Steve Pemberton | Self - Guest Judge | 1 |
| David Bradley | Self - Guest Judge | 1 |
| Floella Benjamin | Self - Guest Judge | 1 |
| Morwenna Banks | Self - Guest Judge | 1 |
| Nina Wadia | Self - Guest Judge | 1 |
| Alison Steadman | Self - Guest Judge | 1 |
| Patricia Hodge | Self - Guest Judge | 1 |
| Peter Lord | Self - Guest Judge | 1 |
| Anita Dobson | Self - Guest Judge | 1 |
| Steffan Rhodri | Self - Guest Judge | 1 |
| Jane Horrocks | Self - Guest Judge | 1 |
| Adrian Edmondson | Self - Guest Judge | 1 |
| Martin Kemp | Self - Guest Judge | 1 |
| Lenny Henry | Self - Guest Judge | 1 |
| Andrew Ridgeley | Self - Guest Judge | 1 |
| Vic Reeves | Self - Guest Judge | 1 |
| Carol Vorderman | Self - Guest Judge | 1 |
| Priyanga Burford | Self - Guest Judge | 1 |
| Cat Deeley | Self - Guest Judge | 1 |
| Emma Kennedy | Self - Guest Judge | 1 |
| Ronni Ancona | Self - Guest Judge | 1 |
| Anthony Horowitz | Self - Guest Judge | 1 |
| Tim Brooke-Taylor | Self - Guest Judge | 1 |
| Simon Day | Self - Guest Judge | 1 |
| Rowland Rivron | Self - Guest Judge | 1 |
| Phil Wang | Self - Guest Judge | 1 |
| Pete Waterman | Self - Guest Judge | 1 |
| Ed Gamble | Self - Guest Judge | 1 |
| David Baddiel | Self - Guest Judge | 1 |
| Rory Bremner | Self - Guest Judge | 1 |
| Arabella Weir | Self - Guest Judge | 1 |
| Debra Stephenson | Self - Guest Judge | 1 |
| Greg James | Self - Guest Judge | 1 |
| Cerys Matthews | Self - Guest Judge | 1 |
| Zoe Laughlin | Self - Guest Judge | 1 |
| JB Gill | Self - Guest Judge | 1 |
| Suzie Templeton | Self - Guest Judge | 1 |
| Cressida Cowell | Self - Guest Judge | 1 |
| Konnie Huq | Self - Guest Judge | 1 |