Jeff Winger

Joel McHale

Britta Perry

Gillian Jacobs

Shirley

Yvette Nicole Brown

Abed Nadir

Danny Pudi

Annie Edison

Alison Brie

Pierce

Chevy Chase

Ben Chang

Ken Jeong

Troy Barnes

Donald Glover

Dean Craig Pelton

Jim Rash

Rachel

Brie Larson

Lauren

Tricia Helfer

William Winger

James Brolin

Mountain Man

Jason Alexander

Professor Cornwallis

Malcolm McDowell

Magnitude

Luke Youngblood

Vicki

Danielle Kaplowitz

Leonard

Richard Erdman

Gobi Nadir

Iqbal Theba

Jerry the Janitor

Jerry Minor

Toby

Matt Lucas

Balloon Guide

Sara Bareilles

Willy

Adam Devine

Neil

Charley Koontz

Gilbert Lawson

Giancarlo Esposito

Garrett Lambert

Erik Charles Nielsen

Inspector Spacetime

Luke Perry

Dean Spreck

Jordan Black

Crazy Schmidt

Eddie Pepitone

Mark

Joe Lo Truglio

Puppeteer

Tim Blaney

Star-Burns

Dino Stamatopoulos

Ensign

Jennie Garth

Todd

David Neher

Annie Kim

Irene Choi

Alter-Pierce

Fred Willard

Inspector Spacetime

JR Reed

Puppeteer

Julianne Buescher

Puppeteer

Alice Dinnean

Carl / Carl - Board Member #1 / Board Member #1

Jeremy Scott Johnson

Professor Ian Duncan / Xim-Xam / Mix-Max (voice)

John Oliver

Quendra

Marcy McCusker

Richie / Board Member #2 / Faculty #1

Brady Novak

Faux-by

J.P. Manoux

Reinhold

Chris Diamantopoulos

Puppeteer

Donna Kimball

Archie

Zack Pearlman

Coach Chapman

Ian Roberts

Puppeteer

Drew Massey

Francesca "Frankie" Dart / Debra Chambers

Paget Brewster

Puppeteer

Russ Walko

Elroy Patashnik / Narrator (voice)

Keith David

Puppeteer

Victor Yerrid

Professor Buzz Hickey

Jonathan Banks

Officer Cackowski

Craig Cackowski

Pavel

Dominik Musiol

Greendale Human Being

William Love

Condom Water Balloon Man / Young Guy / Dude #1

Bill Parks

Vice Dean Laybourne

John Goodman

Professor Michelle Slater

Lauren Stamile

Dave

Darsan Solomon