| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Brooke Burns | Cast | Actress | Self - Host | 10 |
 David Justice | Cast | Self - Guest Judge | 1 | |
 Harald Belker | Cast | Actor | Self - Design Judge | 10 |
 Jesse Metcalfe | Cast | Actor | Self - Guest Judge | 1 |
 Melissa Joan Hart | Cast | Actress | Self - Guest Judge | 1 |
 Pete Wentz | Cast | Actor | Self - Guest Judge | 1 |
 Robby Gordon | Cast | Actor | Self - Guest Judge | 1 |
 Edward T. Welburn | Cast | Actor | Self - GM Vice President, Global Design | 10 |
 Shane Baxley | Cast | Actor | Self - Contestant | 9 |
 Jean Jennings | Cast | Actress | Self - Design Judge | 10 |
 Rich Evans | Cast | Actor | Self - Tech Crew Lead | 10 |
 Camilo Pardo | Cast | Actor | Self - Contestant | 10 |
 Bryan Thompson | Cast | Actor | Self - Contestant | 10 |
 Darby Barber | Cast | Actress | Self - Contestant | 9 |
 Trevor Mann | Cast | Actor | Self - Guest Judge | 1 |
 Malia Jones | Cast | Actress | Self - Guest Judge | 1 |
 Troy Spackman | Cast | Actor | Self - Contestant | 2 |
 Joann Bortles | Cast | Actress | Self - Contestant | 3 |
 Felix Holst | Cast | Actor | Self - Guest Judge | 1 |
 Jameson Neumann | Cast | Actor | Self - Contestant | 7 |
 Dawan Malik | Cast | Actor | Self - Contestant | 1 |
 Kevin J. Chun | Cast | Actor | Self - Contestant | 7 |
Christopher 'Doc Sab' Sabatino | Cast | Actor | Self - Contestant | 5 |
Tamar Geller | Cast | Actress | Self - Guest Judge | 1 |
 Gabriel Goldberg | Cast | Actor | Self - Bryan's Boyfriend | 1 |
| Person | Type | Job | Role(s) | Episodes |
