Justin Bieber's Believe

Justin Bieber

Self

Ryan Good

Self

Usher

Self

Pattie Mallette

Self

Jeremy Bieber

Self

Mike Posner

Self

Max Martin

Self

Will.i.am

Self

Rodney Jerkins

Self

Alfredo Flores

Self

Kenny Hamilton

Self

Ellen DeGeneres

Self

John Brooks

Self

Ryan Seacrest

Self

Kuk Harrell

Self

Jon M. Chu

Self

Nick DeMoura

Self

Nicki Minaj

Self

Allison Kaye

Self

Big Sean

Self

Bruce Dale

Self

Zach Galifianakis

Self

Matt Lauer

Self

Miles Brown

Self

Ludacris

Self

Jaxon Bieber

Self

Jazmyn Bieber

Self

Daniel Kanter

Self

DJ Tay James

Self

Reginald Jones

Self

Melvin Baldwin

Self

Bernard Harvey

Self

Michael D. Brown

Self

Vernon Burris Jr.

Self

Brandon Winbush

Self

Laura Edwards

Self

Kevin Maher

Self

Tucker Barkley

Self

Travis Wall

Self

Teddy Forance

Self

Deirdre Barnes

Self - Dancer

Kaili Bright

Self

Carlena Britch

Self

Luke Broadlick

Self

Christina Chandler

Self

Justin de Vera

Self

Johnny Erasme

Self

Shaun Evaristo

Self

Salemah Gabriel

Self

Elysandra Quinones

Self

Jonathan Rabon

Self

C.J. Salvador

Self

Aubree Storm

Self

Jesse 'Casper' Brown

Self

Jaime Burgos III

Self

Luis Rosado

Self

David Shreibman

Self

Vanessa Price

Self

Scooter Braun

Himself