| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Claire Horton | Crew | Production | Producer | 41 |
 Ken Warwick | Crew | Production | Producer | 41 |
 Nigel Lythgoe | Crew | Production | Producer | 41 |
 Simon Fuller | Crew | Creator | Creator | |
 Anthony McPartlin | Cast | Actor | Self - Host | 41 |
 Darius Campbell | Cast | Actor | Self | 8 |
 Declan Donnelly | Cast | Actor | Self - Host | 41 |
 Neil Fox | Cast | Actor | Self - Judge | 41 |
 Nicki Chapman | Cast | Actress | Self - Judge | 41 |
 Rachel Stevens | Cast | Actress | Self | 1 |
Kirsty Crawford | Cast | 1 | ||
 Pete Waterman | Cast | Actor | Self - Judge | 41 |
 Simon Cowell | Cast | Actor | Self - Judge | 41 |
 Will Young | Cast | Actor | Self | 10 |
Michelle McManus | Cast | 1 | ||
Andy Scott-Lee | Cast | 1 | ||
 Mark Rhodes | Cast | Actor | 1 | |
 Sam Nixon | Cast | Actor | 1 | |
Brian Ormond | Cast | 1 | ||
 Gareth Gates | Cast | Actor | Self | 12 |
 Jessica Garlick | Cast | Actress | Self | 4 |
Hayley Evetts | Cast | Self | 7 | |
 Ryan Ryder | Cast | Actor | Self | 1 |
Laura Doherty | Cast | Self | 5 | |
Rosie Ribbons | Cast | Self | 6 | |
Chris Hide | Cast | 1 | ||
Susanne Manning | Cast | 1 | ||
Marc Dillon | Cast | 1 | ||
Roxanne Cooper | Cast | 1 | ||
Korben Niblett | Cast | Self | 1 | |
Leon McPherson | Cast | 1 | ||
Aaron Bayley | Cast | Self | 4 | |
Kim Gee | Cast | 1 | ||
Rik Waller | Cast | Self | 3 | |
Aaron Bailey | Cast | Self | 1 | |
| Person | Type | Job | Role(s) | Episodes |
