Host

Cat Deeley

Self - Judge / Self - Contestant / Self

Allison Holker

Self / Self - Contestant

Stephen Boss

Self

Matthew Morrison

Self - Judge

Nigel Lythgoe

Self

Maksim Chmerkovskiy

Self - Judge

Mary Murphy

Self - Judge / Self

Adam Shankman

Self - Judge

Jason Derulo

Self - Judge

Paula Abdul

Self - Judge / Self

Mia Michaels

Self - Judge

JoJo Siwa

Self - Contestant / Self

Jeanine Mason

Self - Contestant / Self - All-Star

Janette Manrara

Self - Judge

Vanessa Hudgens

Self - Host

Lauren Sánchez

Self

Leah Remini

Self / Self - Mentor / Self - Contestant

Marko Germar

Self - Contestant

Tate McRae

Self - Contestant

Hannahlei Cabanilla

Self - Contestant

Alexis Warr

Self - Contestant / Self

Bailey Munoz

Self / Self - Contestant / Self - Mentor

Comfort Fedoke

Self - Contestant

Teddy Coffey

Self / Self - Mentor / Self - Contestant

Dushaunt Fik-Shun Stegall

Self - Contestant / Self

Carter Williams

Self - Contestant

Gino Cosculluela

Self - Performer

Rihanna

Self - Contestant

Daniela Avanzini

Self - Contestant / Self

Marcquet Hill

Self - Contestant

Madison Rouge Alvarado

Self - Contestant

Beau Harmon

Self - Contestant / Self

Ezra Sosa

Self / Self - Mentor / Self - Contestant

Robert Roldan

Self - Contestant

Jensen Arnold

Self - Contestant

Easton Magliarditi

Self / Self - Contestant / Self - Mentor

Sasha Mallory

Self / Self - Contestant / Self - Mentor

Paul Karmiryan

Self - Contestant

Slavik Pustovoytov

Self - Contestant

Genessy Castillo