Big Bird / Sam the Robot / Bennett Snerf
Caroll Spinney
Guest
Joshua Bell
Guest
Liam Neeson
Guest
Harvey Fierstein
Gina
Alison Bartlett O'Reilly
Guest
Cher
Guest
Bill Cosby
Guest
Maria Torres
Guest
Norah Jones
Guest
Seth Green
Guest
Whoopi Goldberg
Guest
Julianne Moore
Linda
Linda Bove
Elmo
Kevin Clash
Guest
Venus Williams
Guest
Maya Angelou
Guest
Erykah Badu
Guest
James Earl Jones
Guest
Christopher Reeve
Mrs. Noodle
Kristin Chenoweth
Cookie Monster
David Rudman
Mr. Noodle
Michael Jeter
Luis Rodriguez
Emilio Delgado
Ernie
Steve Whitmire
Guest
Patrick Stewart
Muppet / Virginia Virginia / Grouch
Leslie Carrara-Rudolph
Guest
Tony Bennett
Telly Monster / Aloysius Snuffleupagus / Irvine
Martin P. Robinson
Mr. Noodle
Bill Irwin
Guest
Shari Lewis
Stinky / Murray & Blogg
Joey Mazzarino
Bert/Grover
Eric Jacobson
Susan
Loretta Lang
Guest
Harry Belafonte
Maria Figueroa Rodriguez
Sonia Manzano
Guest
David M. Robinson
Bert
Frank Oz
Bob Jackson
Bob McGrath
Guest
Ellen DeGeneres
Gordon Robinson
Roscoe Orman
Alan
Alan Muraoka
Zoe / Prairie Dawn (voice)
Fran Brill
Gabriela
Desiree Casado
Miles
Imani Patterson
Elmo (voice)
Ryan Dillon
Nina
Suki Lopez
Celina
Annette Calud
Aloysius Snuffleupagus
Jerry Nelson
Susan Robinson
Loretta Long
Doris Roberts
Gordon Robinson
Matt Robinson
Ruthie
Ruth Buzzi
Curly Bear / Prairie Dawn (voice)
Stephanie D'Abruzzo
Charlie
Violet Tinnirello
Zoe (voice)
Jennifer Barnhart
Rosita (voice)
Carmen Osbahr
Self
Andy Grammer
Antonio
Panchito Gómez