| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Allen Shapiro | Crew | Production | Executive Producer | 207 |
 Arvo Pärt | Crew | Sound | Additional Soundtrack | 1 |
Barry Adelman | Crew | Production | Executive Producer | 207 |
Dan Sacks | Crew | Production | Producer | 207 |
James Breen | Crew | Production | Executive Producer | 207 |
Jeff Thacker | Crew | Production | Executive Producer | 207 |
 Nigel Lythgoe | Crew | Production | Executive Producer, Creator | 207 |
 Paula Abdul | Crew | Production | Executive Producer, Music Programmer, Music Sound Design and Processing | 1 |
Simon Fuller | Crew | Production | Executive Producer, Creator | 207 |
 Tucker Smith | Crew | Production | Producer | 207 |
Adam Cooper | Crew | Production | Producer | 207 |
Brian Robinson | Crew | Production | Producer | 207 |
Mike Yurchuk | Crew | Production | Producer | 207 |
Hope Wilson | Crew | Production | Producer | 207 |
Jensen Moon | Crew | Production | Producer | 207 |
Mike Deffina | Crew | Production | Producer | 207 |
Zoe Brown | Crew | Production | Producer | 207 |
Matt Kinsey | Crew | Production | Producer | 207 |
 Adam Sandler | Cast | Actor | 1 | |
 Adam Shankman | Cast | Actor | Self - Judge | 47 |
 Brian Friedman | Cast | Actor | 2 | |
 Cat Deeley | Cast | Actress | Self - Host | 315 |
 David Arquette | Cast | Actor | 1 | |
 Debbie Allen | Cast | Actress | 1 | |
 Drew Barrymore | Cast | Actress | (archive footage) | 1 |
 Ellen DeGeneres | Cast | Actress | 1 | |
 Fergie | Cast | Actress | 2 | |
 Katie Holmes | Cast | Actress | 1 | |
 LL Cool J | Cast | Actor | 1 | |
 Lauren Sánchez | Cast | Actress | Self - Host | 12 |
 Leah Remini | Cast | Actress | Self | 12 |
Nigel Lythgoe | Cast | Actor | Self - Judge | 267 |
Paula Abdul | Cast | Actress | 1 | |
 Roger L. Jackson | Cast | Actor | (archive footage) | 1 |
 Timbaland | Cast | Actor | 1 | |
 Wade Robson | Cast | Actor | 2 | |
 Ciara | Cast | Actress | 1 | |
 Daddy Yankee | Cast | Actor | 1 | |
 Dan Karaty | Cast | Actor | 2 | |
Lloyd | Cast | 1 | ||
 Mary Murphy | Cast | Actress | Self - Judge | 179 |
 Matthew Morrison | Cast | Actor | Self | 315 |
 Mia Michaels | Cast | Actress | Self - Judge | 23 |
 Natasha Bedingfield | Cast | Actress | 1 | |
 Rihanna | Cast | Actress | 6 | |
 Ryan Cabrera | Cast | Actor | 1 | |
 Vanessa Hudgens | Cast | Actress | Self - Judge | 15 |
 Jordin Sparks | Cast | Actress | 1 | |
 Katy Perry | Cast | Actress | 1 | |
 Lady Gaga | Cast | Actress | 2 | |
 Mika | Cast | Actor | Self - Musical Guest | 1 |
 Ryan Conferido | Cast | 1 | ||
 Stephen 'tWitch' Boss | Cast | Actor | Self | 315 |
 Travis Wall | Cast | Actor | 1 | |
 Jason Derulo | Cast | Actor | Self - Judge | 30 |
 Jeanine Mason | Cast | Actress | Herself | 20 |
 Maddie Ziegler | Cast | Actress | Self - Judge | 1 |
 JoJo Siwa | Cast | Actress | Self - Judge | 19 |
 Benji Schwimmer | Cast | Actor | 1 | |
Jaimie Goodwin | Cast | Actress | 1 | |
 Lev Cameron | Cast | Actor | Self | 1 |
 Courtney Galiano | Cast | Actress | Herself | 1 |
 Alex Wong | Cast | Actor | Himself - Contestant | 4 |
 Allison Holker | Cast | Actress | Self - Judge | 315 |
 Alan Bersten | Cast | Actor | Himself | 8 |
 Maksim Chmerkovskiy | Cast | Actor | Self | 315 |
 Janette Manrara | Cast | Actress | Self - All-Star | 1 |
 Tate McRae | Cast | Actress | Self | 7 |
 Teddy Coffey | Cast | Actor | Self - Contestant | 7 |
| Person | Type | Job | Role(s) | Episodes |
