| Episode credited cast: |
 | Stephen Boss | - | Himself - All-Star / Choreographer (as Twitch) |
 | Dmitry Chaplin | - | Himself - All-Star / Choreographer |
 | Cat Deeley | - | Herself - Hostess |
 | Jenna Elfman | - | Herself - Guest Judge |
 | Hayley Erbert | - | Herself - Contestant |
 | Comfort Fedoke | - | Herself - All-Star / Choreographer |
 | Courtney Galiano | - | Herself - All-Star / Choreographer |
| Jasmine Harper | - | Herself - Contestant |
 | Chelsie Hightower | - | Herself - All-Star / Choreographer |
 | Allison Holker | - | Herself - All-Star / Choreographer |
 | Jenna Johnson | - | Herself - Contestant |
| Mark Kanemura | - | Himself - All-Star / Choreographer |
 | Paul Karmiryan | - | Himself - Contestant |
| Tucker Knox | - | Himself - Contestant |
 | Nigel Lythgoe | - | Himself - Judge |
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