Judge

Nigel Lythgoe

Self - Host

Cat Deeley

Self - Judge / Self - Contestant / Self

Allison Holker

Judge

Mary Murphy

Self / Self - Contestant

Stephen Boss

Self - Judge / Self

Adam Shankman

Contestant

Jordan Casanova

Self

Matthew Morrison

Contestant

Alexander Fost

Self

Maksim Chmerkovskiy

Contestant

Tadd Gadduang

Contestant

Marko Germar

Contestant

Ricky Jaime

Contestant

Wadi Jones

Self - Judge

Jason Derulo

Contestant

Mitchell Kelly

Contestant

Chris Koehl

Self - Judge

Paula Abdul

Self - Judge / Self

Mia Michaels

Contestant

Caitlynn Lawson

Contestant

Jess LeProtto

Self - Judge

JoJo Siwa

Self - Contestant / Self

Jeanine Mason

Contestant

Iveta Lukosiute

Self - Contestant / Self - All-Star

Janette Manrara

Contestant

Miranda Maleski

Self - Judge

Vanessa Hudgens

Self / Self - Contestant / Self - Mentor

Sasha Mallory

Self - Host

Lauren Sánchez

Contestant

Melanie Moore

Contestant

Missy Morelli

Self

Leah Remini

Contestant

Clarice Ordaz

Contestant

Ryan Ramirez

Self - Contestant

Tate McRae

Contestant

Ashley Rich

Self - Contestant

Hannahlei Cabanilla

Self - Contestant

Alexis Warr

Contestant

Robert Taylor Jr.

Contestant

Nick Young

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

Paul Karmiryan

Self - Contestant

Slavik Pustovoytov

Self - Contestant

Genessy Castillo