The Nickelodeon Mega Music Fest

John Leguizamo

Himself

Caitlin Sanchez

Dora Marquez (voice)

Donovan Patton

Joe/Bot (voice)

Jon Beavers

Twist

Thomas Hobson

Shout

Shayna Rose

Marina

Yvette Gonzalez-Nacer

Kiki

Laurie Berkner

Herself

Justin Bieber

Himself

Phil McGraw

Himself