Episode 550 Details Casts Title Episode 550 Genres Kids Comedy Release Date 1973-12-07 Episode Runtime 00 Hours 54 Minutes Season Number 5 Episode Number 15 Production Companies Sesame Workshop, Children's Television Workshop Kevin Clash Elmo/Hoots the Owl/Baby ? Caroll Spinney Big Bird Frank Oz Bert Sonia Manzano Maria Figueroa Rodriguez Roscoe Orman Gordon Robinson Martin P. Robinson Telly Monster/Aloysius S? Richard Hunt Fran Brill Zoe/Prairie Dawn (voice) Leslie Carrara-Rudolph Abby Cadabby Leslie Carrara-Rudolph Muppet Leslie Carrara-Rudolph Virginia Virginia Leslie Carrara-Rudolph Grouch Caroll Spinney Oscar the Grouch Caroll Spinney Sam the Robot Caroll Spinney Bennett Snerf Caroll Spinney Cookie Monster Kevin Clash Clementine Kevin Clash Hoots the Owl Kevin Clash Baby Natasha Dave Goelz Eric Jacobson Jim Henson Linda Bove Linda Pam Arciero Joey Mazzarino Stinky Joey Mazzarino Murray & Blogg Martin P. Robinson Irvine David Rudman Cookie Monster / Two-Hea? David Rudman Two-Headed Monster Suki Lopez Nina Violet Tinnirello Charlie Jennifer Barnhart Zoe (voice) Ryan Dillon Elmo (voice) Alan Muraoka Alan
