Casting Popstar : Célèbre à tout prix
Popstar : Célèbre à tout prix Popstar : Célèbre à tout prix
- Hunter Chris Redd
- Eddie Edgar Blackmon
- Sponge James Buckley
- 10-Year Old Conner Evan Fine
- 10-Year Old Lawrence Elliott Smith
- Himself / The Roots (as Ahmir "Questlove" Thompson) Ahmir-Khalib Thompson
- Herself Carrie Underwood
- Himself Nas
- Himself (as Usher) Usher Raymond
- Himself 50 Cent
- Quirky Kid Nicholas Azarian
- Himself Ringo Starr
- Himself Simon Cowell
- Himself Adam Levine
- Himself Akon
- Herself Mariah Carey
- Sarah (Personal Assistant) Ashley Moore
- Perspective Manipulator Danny Strong
- Herself (as Alecia Moore) Pink
- Himself Big Boy
- Himself (as Khaled "DJ Khaled" Khaled) D.J. Khaled
- Himself (as A$AP Rocky) Rakim Mayers
- Gary Sikes (Label Photographer) Kevin Nealon
- Himself Mario López
- Upset Homeowner Patricia Schaffer
- Angry Appliance Fan James Hegarty
- Angry Vlogger Walker William Borba
- Main CMZ Reporter Will Arnett
- Brunette CMZ Reporter Chelsea Peretti
- Blonde CMZ Reporter Mike Birbiglia
- Dreadlocked CMZ Reporter Eric André
- Zippy Bill Hader
- Steam Punk Doctor Joanna Newsom
- Steam Punk Doctor Jonah Goldstein
- Lame Ass Dude Andre Hyland
- Hunter's DJ / Hypeman Mike Winfield
- Himself Danger Mouse
- Himself RZA
- Club DJ Chester Tam
- Himself T.I.
- Himself Pharrell Williams
- Himself Seal
- Wolf Handler Paul Scheer
- Angry Fan Adrien Finkel
- Angry Fan Christine Krumme
- Angry Fan Ben Newell
- Angry Fan Joy Lanceta
- Angry Fan Walter Jones
- Angry Fan Keith Love
- Angry Fan Alison Sluiter
- Angry Fan Isis Brown
- Himself Jimmy Fallon
- Himself (Arcade Fire) Win Butler
- Herself (Arcade Fire) Régine Chassagne
- Himself Steve Higgins
- Limo Driver Derek Maers
- Crazy Fan (as Alison Hermine Rich) Alison Rich
- Himself Martin Sheen
- Bagpipe Player Will Forte
- Documentary Crew Member Marielle Heller
- Himself Snoop Dogg
- Stage Manager Ithamar Enriquez
- Poppies Producer Liz Cackowski
- Hammerleg Lead Singer (as Weird Al Yankovic) "Weird Al" Yankovic
- Himself Michael Bolton
- The Roots Damon Bryson
- The Roots Kirk Douglas
- The Roots (as James Gray) James 'Kamal' Gray
- The Roots (as Dave Guy) David Guy Levy
- The Roots Mark Kelley
- The Roots James Poyser
- The Roots Ian Hendrickson-Smith
- The Roots (as Tariq "Black Thought" Trotter) Tariq Trotter
- The Roots (as Frank Walker) Frankie Knuckles
- Dancer Manwé Sauls-Addison
- Dancer Leah Adler
- Dancer Carly Anderson
- Dancer Carlena Britch
- Dancer Dan Castiglione
- Dancer Amanda Cleghorn
- Dancer Krystal Ellsworth
- Dancer Brandon Henschel
- Dancer Calvit Hodge
- Dancer Caitlynn Lawson
- Dancer Alicia Mazepa
- Dancer Allie Meixner
- Dancer Kyle Robinson
- Dancer Stephanie Scull
- Dancer Ashley Seldon
- Dancer Nikeva Stapleton
- Dancer Chelsea Traille
- Dancer Nathaniel Trasoras
- Dancer C. J. Tyson
- Roadie (uncredited) Cameron Brinkman
- Conner's Entourage (uncredited) Jasmine Hester
- Concert Fan (uncredited) Sandra Rosko
- Teen Girl 1 (uncredited) Lili Sepe
- Claudia Cantrell (uncredited) Emma Stone
- Tyrus Quash (uncredited) Justin Timberlake
- Award Guest (uncredited) Brandon Van Vliet
- Lisa (uncredited) Madeleine Wade
- 10-Year Old Owen Maxwell Jenkins
- Dancer Robert Roldan
