Joan Ganz Cooney Creator Fran Brill Zoe, Prairie Dawn Voice Leslie Carrara-Rudolph Abby Cadabby Voice Ryan Dillon Elmo Voice Eric Jacobson Bert, Grover Voice Joey Mazzarino Stinky, Murray Voice Carmen Osbahr Rosita Voice Martin P. Robinson Aloysius Snuffleupagus, Telly Monster, Slimey the Worm Voice David Rudman Baby Bear, Cookie Monster, Two-Headed Monster Voice Caroll Spinney Big Bird, Oscar the Grouch Voice Matt Vogel The Count Voice Bradley Freeman Jr. Tamir Actor Christopher Knowings Actor Suki Lopez Actor Alan Muraoka Actor Pam Arciero Actor Jennifer Barnhart Actor Tyler Bunch Actor Frankie Cordero Actor Stephanie D'Abruzzo Actor Chris Thomas Hayes Actor Haley Jenkins Actor Kathleen Kim Actor Peter Linz Actor Spencer Lott Actor Megan Piphus Actor Brandon Smith Actor Joe Raposo Music Jon Stone Music