Akon
— Himself
Lexi Anastasia
— Herself
Soulja Boy
— Self
Michael Buckley
— Himself
Bo Burnham
— Himself
Jon M. Chu
— Himself
Lucas Cruikshank
— Fred
Shane Dawson
— Himself
Esmee Denters
— Herself
Tom Dickson
— Himself
Lisa Nova
— Herself
Darren Foreman
— Beardyman
Brandon Hardesty
— Batman
Jamie Hyneman
— Himself
Davide Illiano
— Himself
Lim Jeong-Hyun
— Funtwo
Jordan Johnson
— Himself
James Kotecki
— Himself
Dean O'Neill
— Himself
Mike Relm
— Himself
Joe Satriani
— Himself
William Sledd
— Himself
Matt Sloan
— Chad Vader (voice)
Keith Stallworth
— Himself
will.i.am
— Himself
Freddie Wong
— Himself
Aaron Yonda
— Chad Vader