It's Opera Day on Sesame Street, and everyone sings all day (3901)

Kevin Clash

Elmo/Hoots the Owl/Baby Natasha (voice)

Caroll Spinney

Big Bird

Frank Oz

Bert

Sonia Manzano

Maria Figueroa Rodriguez

Roscoe Orman

Gordon Robinson

Martin P. Robinson

Telly Monster/Aloysius Snuffleupagus/Irvine/Slimey (voice)

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