Everyone/Muppeteers

Cast

 * The Lorax (from The Lorax) as Jim Henson
 * Ned Flanders (from The Simpsons) as Frank Oz
 * as Jerry Nelson
 * as Richard Hunt
 * as Dave Goelz
 * Jeremy Johnson (from Phineas and Ferb) as Steve Whitmire
 * as Caroll Spinney
 * as Fran Brill
 * as Kevin Clash
 * as Martin P. Robinson
 * as Bill Barretta
 * as Brian Henson
 * as Karen Prell
 * as Kathryn Mullen
 * as Louise Gold
 * as David Rudman
 * as Joey Mazzarino
 * as Peter Linz
 * as Noel MacNeal
 * as Jim Martin
 * as John Tartaglia
 * as Stephanie D'Abruzzo
 * as Rick Lyon
 * as Tyler Bunch
 * as Jennifer Barnhart
 * as Matt Vogel
 * as Jim Kroupa
 * as Leslie Carrara-Rudolph
 * as Carmen Osbahr
 * as Camille Bonora
 * as Pam Arciero
 * as John Kennedy
 * as Alice Dinnean
 * as Brian Muehl
 * as Michael Earl Davis
 * as Bob Payne