贾斯汀·比伯

Justin Bieber

饰：Himself

斯库特·布劳恩

Scooter Braun

饰：Himself

Ryan Good

Ryan Good

饰：Himself

亚瑟·雷蒙德四世

Usher Raymond IV

饰：Himself

Jeremy Bieber

Jeremy Bieber

饰：Himself

Mike Posner

饰：Himself

麦克斯·马汀

Max Martin

饰：Himself

威廉姆·亚当斯

William James Adams Jr.

饰：Himself

Rodney Jerkins

饰：Himself

Alfredo Flores

饰：Himself

Kenny Hamilton

Kenny Hamilton

饰：Himself

艾伦·德詹尼丝

Ellen DeGeneres

饰：Herself

瑞安·西克莱斯特

Ryan Seacrest

饰：Himself

Kuk Harrell

Kuk Harrell

饰：Himself

妮琪·米娜

Nicki Minaj

饰：Herself

马特·劳厄尔

Matt Lauer

饰：Himself

比格·肖恩

Big Sean

饰：Himself

卢达·克里斯

Ludacris

饰：Himself

迈尔斯·布朗

Miles·Brown

饰：Himself

Johnny Erasme

Johnny Erasme

饰：Dancer

朱浩伟

Jon M. Chu

饰：Himself

帕蒂·马莱特

Pattie Mallette

饰：Herself

John Brooks

John Brooks

饰：Himself

Allison Kaye Scarinzi

Allison Kaye Scarinzi

饰：Herself

Bruce Dale

Bruce Dale

饰：Self

Bernard Harvey

Bernard Harvey

饰：Self (Bass)

Tucker Barkley

Tucker Barkley

饰：Self (Contributing Choreographer)

卢克·布洛德里克

Luke Broadlick

饰：Dancer

Justin de Vera

Justin de Vera

饰：Dancer

Jesse 'Casper' Brown

Jesse 'Casper' Brown

饰：B Boy

路易斯·罗萨多

Luis Rosado

饰：B Boy

Nick DeMoura

饰：Self

扎克·加利费安纳基斯

Zach Galifianakis

饰：Self

泰勒·詹姆斯

Taylor James

饰：Self (DJ)

Kevin Maher

Kevin Maher

饰：Self (Contributing Choreographer)

特拉维斯·沃尔

Travis Michael Wall

饰：Self (Contributing Choreographer)

卡莲娜·布里奇

Carlena Britch

饰：Dancer

Jonathan Rabon

饰：Dancer

Aubree Storm

饰：Dancer

Jaime Burgos III

饰：B Boy

大卫·谢里曼

David Shreibman

饰：B Boy