Andy Samberg

Character: Conner Friel

Jorma Taccone

Character: Owen Bouchard

Akiva Schaffer

Character: Lawrence Dunn

Sarah Silverman

Character: Paula Klein

Tim Meadows

Character: Harry Duggins

Maya Rudolph

Character: Deborah

Joan Cusack

Character: Tilly

Imogen Poots

Character: Ashley Wednesday

Chris Redd

Character: Hunter

Edgar Blackmon

Character: Eddie

James Buckley

Character: Sponge

Evan Fine

Character: Ten-Year Old Conner

Maxwell Jenkins

Character: Ten-Year Old Owen

Elliott Smith

Character: Ten-Year Old Lawrence

Questlove

Character: Ahmir-Khalib Thompson

Carrie Underwood

Character: Carrie Underwood

Nas

Character: Nas

Usher

Character: Usher

50 Cent

Character: 50 Cent

Nicholas Azarian

Character: Quirky Kid

Ringo Starr

Character: Ringo Starr

Simon Cowell

Character: Simon Cowell

Adam Levine

Character: Adam Levine

Akon

Character: Akon

Mariah Carey

Character: Mariah Carey

Ashley Moore

Character: Sarah

Danny Strong

Character: Perspective Manipulator

P!nk

Character: Pink

Big Boy

Character: Big Boy

DJ Khaled

Character: DJ Khaled

A$AP Rocky

Character: Rakim Mayers

Kevin Nealon

Character: Gary Sikes

Mario López

Character: Mario López

Patricia Schaffer

Character: Upset Homeowner

James Hegarty

Character: Angry Appliance Fan

Walker William Borba

Character: Angry Vlogger

Will Arnett

Character: Main CMZ Reporter

Chelsea Peretti

Character: Brunette CMZ Reporter

Mike Birbiglia

Character: Blonde CMZ Reporter

Eric André

Character: Dreadlocked CMZ Reporter

Bill Hader

Character: Zippy

Joanna Newsom

Character: Steam Punk Doctor

Jonah Goldstein

Character: Steam Punk Doctor

Andre Hyland

Character: Lame Ass Dude

Mike E. Winfield

Character: Hunter's DJ / Hypeman

Danger Mouse

Character: Danger Mouse

RZA

Character: RZA

Chester Tam

Character: Club DJ

T.I.

Character: T.I.

Pharrell Williams

Character: Pharrell Williams

Seal

Character: Seal

Paul Scheer

Character: Wolf Handler

Adrien Finkel

Character: Angry Fan

Christine Krumme

Character: Angry Fan

Ben Newell

Character: Angry Fan

Joy Lanceta

Character: Angry Fan

Walter Jones

Character: Angry Fan

Keith Love

Character: Angry Fan

Alison Sluiter

Character: Angry Fan

Isis Brown

Character: Angry Fan

Jimmy Fallon

Character: Jimmy Fallon

Win Butler

Character: Arcade Fire

Régine Chassagne

Character: Arcade Fire

Steve Higgins

Character: Steve Higgins

Derek Mears

Character: Limo Driver

Alison Rich

Character: Crazy Fan

Martin Sheen

Character: Martin Sheen

Will Forte

Character: Bagpipe Player

Marielle Heller

Character: Documentary Crew Member

Snoop Dogg

Character: Snoop Dogg

Ithamar Enriquez

Character: Stage Manager

Liz Cackowski

Character: Poppies Producer

'Weird Al' Yankovic

Character: Hammerleg Lead Singer

Michael Bolton

Character: Michael Bolton

Kirk Douglas

Character: The Roots

James 'Kamal' Gray

Character: The Roots

Damon Bryson

Character: The Roots

Mark Kelley

Character: The Roots

James Poyser

Character: The Roots

Ian Hendrickson-Smith

Character: The Roots

Tariq Trotter

Character: The Roots

Dave Guy

Character: The Roots

Manwé Sauls-Addison

Character: Dancer

Leah Adler

Character: Dancer

Carly Anderson

Character: Dancer

Carlena Britch

Character: Dancer

Dan Castiglione

Character: Dancer

Amanda Cleghorn

Character: Dancer

Krystal Ellsworth

Character: Dancer

Brandon Henschel

Character: Dancer

Calvit Hodge

Character: Dancer

Caitlynn Lawson

Character: Dancer

Alicia Mazepa

Character: Dancer

Allie Meixner

Character: Dancer

Kyle R. Robinson

Character: Dancer

Robert Roldan

Character: Dancer

Stephanie Scull

Character: Dancer

Ashley Seldon

Character: Dancer

Nikeva Stapleton

Character: Dancer

Chelsea Traille

Character: Dancer

Nathaniel Trasoras

Character: Dancer

C. J. Tyson

Character: Dancer

Emma Stone

Character: Claudia Cantrell (uncredited)

Justin Timberlake

Character: Tyrus Quash (uncredited)

Cameron Brinkman

Character: Roadie (uncredited)

Jasmine Hester

Character: Conner's Entourage (uncredited)

Sandra Rosko

Character: Concert Fan (uncredited)

Lili Sepe

Character: Teen Girl 1 (uncredited)

Brandon Van Vliet

Character: Award Guest (uncredited)

Madeleine Wade

Character: Lisa (uncredited)

Katy Perry

Character: Katy (uncredited)

Dave Franco

Character: Co-actor in the movie "Cube Theorem" (uncredited)