| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Deborah Jelin Newmyer | Crew | Writing | Writer | 1 |
 Joel Gallen | Crew | Production | Producer, Writer | 20 |
 Michael Simon | Crew | Directing | Series Director | 1 |
 Sam Riegel | Crew | Writing | Writer | 2 |
 Sam Weisman | Crew | Writing | Writer | 1 |
 Jordan Allen-Dutton | Crew | Writing | Writer | 1 |
 Randy Jackson | Crew | Production | Producer | 20 |
Ivan Dudynsky | Crew | Directing | Director | 1 |
Rob Blatt | Crew | Writing | Writer | 2 |
Eric B. Shanks | Crew | Directing | Director | 1 |
 Ben Folds | Cast | Actor | Self - Judge | 27 |
 Jewel | Cast | Actress | Self - Judge | 8 |
 Nick Lachey | Cast | Actor | Self - Host | 28 |
 Nicole Scherzinger | Cast | Actress | Self - Judge | 9 |
 Shawn Stockman | Cast | Actor | Self - Judge | 28 |
Will Plunkett | Cast | Self - Princeton Footnotes Member | 1 | |
 Patrick Stump | Cast | Actor | Self - Judge | 1 |
 Sara Bareilles | Cast | Actress | Self - Judge | 11 |
 Adam Hyndman | Cast | Self - Princeton Footnotes Member | 1 | |
 Tim Foust | Cast | Actor | Self - Home Free Bass | 7 |
 Austin Brown | Cast | Actor | Self - Home Free High Tenor | 7 |
 Adam Rupp | Cast | Actor | Self - Home Free Vocal Percussionist | 7 |
 Rob Lundquist | Cast | Actor | Self - Home Free Lead Tenor | 7 |
Nathan Quinn | Cast | Self - Princeton Footnotes Member | 1 | |
| Person | Type | Job | Role(s) | Episodes |
