Caroll Spinney

Big Bird / Oscar the Grouch (voice)

Pam Arciero

Grundgetta (voice)

Carmen Osbahr

Rosita (voice)

Saman Rouhani

Grouchketeer

Megan Willis

Grouchketeer

Carisse Elizabeth Moy

Grouchketeer

Jamari Richardson

Grouchketeer

Richard Hunt

Two-Headed Monster (voice)

Jerry Nelson

Two Heated Monster / "In My Book" Singer (voice)

Fran Brill

Zoe (voice)

David Rudman

Top Ten Quiet Time Ideas Announcer (voice)

Martin P. Robinson

Telly Monster (voice)

Joey Mazzarino

The Wise Man (voice)

Ruth Buzzi

Suzie Kabloozie (voice)

Daphne Rubin-Vega

Self

Steve Whitmire

Ernie (voice)

Frank Oz

Bert ("Naptime") (voice)

Jim Henson

Ernie ("Naptime") / Kermit the Frog (voice) (archive footage)

Daphne Rubin-Vega

Herself