Host

Cat Deeley

Judge

Stephen "Twitch" Boss

Self - Judge / Self - Contestant / Self

Allison Holker

Judge

Matthew Morrison

Judge

JoJo Siwa

Judge

Leah Remini

Contestant

Anna Miller

Contestant

Ralyn Johnson

Self

Maksim Chmerkovskiy

Contestant

Virginia Crouse

Self - Judge

Nigel Lythgoe

Contestant

Jordan Betscher

Self - Judge

Mary Murphy

Contestant

Essence Wilmington

Self - Judge / Self

Adam Shankman

Self - Contestant

Alexis Warr

Self - Judge

Jason Derulo

Contestant

Keaton Kermode

Self - Judge

Paula Abdul

Contestant

Thiago Pacheco

Self - Judge / Self

Mia Michaels

Contestant

Waverly Fredericks

Contestant

James Thomas

Self - Contestant / Self

Jeanine Mason

Self - Contestant

Beau Harmon

Self - Contestant / Self - All-Star

Janette Manrara

Self - Judge

Vanessa Hudgens

Self - Contestant / Self

Carter Williams

Kiki Nyemchek

Kiki Nyemchek

Self - Host

Lauren Sánchez

Audrey Case

Audrey Case

Robert Green

Robert Green

Self / Self - Mentor / Self - Contestant

Marko Germar

Self - Contestant

Tate McRae

Self - Contestant

Hannahlei Cabanilla

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

Gino Cosculluela

Self - Performer

Rihanna

Self - Contestant

Daniela Avanzini

Self - Contestant / Self

Marcquet Hill

Self - Contestant

Madison Rouge Alvarado

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