Caroll Spinney

Big Bird / Oscar the Grouch (voice)

Brian Muehl

Barkley (voice)

Lianzi Ouyang

Xiao Foo (as Lien-Tze Quyang)

Frank Oz

Bert / Grover / Cookie Monster (voice)

Jerry Nelson

Two-Headed Monster (voice)

Richard Hunt

Two-Headed Monster (voice)

Martin P. Robinson

Telly Monster (voice)

Jim Henson

Ernie (voice)

Cheryl Blaylock

Additional Muppet Performer (voice) (as Cheryl Blalock)