Ronald Grump

Joe Pesci

Kathy Lee Kathy

Julia Louis-Dreyfus

Self

Regis Philbin

Self

Barbara Walters

Carlo

Carlo Alban

Ruthie

Ruth Buzzi

Celina

Annette Calud

Gabi

Desiree Casado

Luis

Emilio Delgado

Savion

Savion Glover

Maria

Sonia Manzano

Gordon

Roscoe Orman

Chaz

Charles Grodin

Tarah

Tarah Schaeffer

Big Bird / Oscar the Grouch

Caroll Spinney

Count von Count / Herry Monster

Jerry Nelson

Telly Monster

Martin P. Robinson

Elmo / Benny Rabbit

Kevin Clash

Prairie Dawn / Zoe

Fran Brill

Kermit the Frog / Ernie

Jim Henson

Self (archive footage)

Maya Angelou

Self (archive footage)

Annette Bening

Self (archive footage)

Candice Bergen

Bitsy

Susan Sarandon

Self (archive footage)

John Candy

Self (archive footage)

Phoebe Cates

Self (archive footage)

Ray Charles

Self (archive footage)

Billy Crystal

Self (archive footage)

Jane Curtin

Self (archive footage)

Jamie Lee Curtis

Self (archive footage)

Terry Ellis

Self (archive footage)

Sally Field

Self (archive footage)

Jodie Foster

Self (archive footage)

Cindy Herron

Arnie

Corbin Bernsen

Self (archive footage)

Lena Horne

Self (archive footage)

Marilyn Horne

Self (archive footage)

Jeremy Irons

Self (archive footage)

Bo Jackson

Self (archive footage)

Maxine Jones

Self (archive footage)

Carol Kane

Self (archive footage)

Kevin Kline

Self (archive footage)

Patti LaBelle

Self (archive footage)

Jay Leno

Self (archive footage)

Marlee Matlin

Worm TV Host

Danny DeVito

Self (archive footage)

Aaron Neville

Rosita (archive footage)

Carmen Osbahr

Bert / Grover (archive footage)

Frank Oz

Self (archive footage)

Itzhak Perlman

Self (archive footage)

Julia Roberts

Self (archive footage)

Dawn Robinson

Self (archive footage)

Linda Ronstadt

Self (archive footage)

Diana Ross

Ed Grimley (archive footage)

Martin Short

Self (archive footage)

Paul Simon

Worm TV Host

Rhea Perlman

Self (archive footage)

Marisa Tomei

Ernestine (archive footage)

Lily Tomlin

Self (archive footage)

Kathleen Turner

Ernie (archive footage)

Steve Whitmire

Self (archive footage)

Robin Williams

Arthur 'Fonzie' Fonzarelli (archive footage)

Henry Winkler

Child Extra (uncredited)

Daniella Evangelista

Tough Guy Helpline Operator

John Goodman

Good Hope Fairy

Rosie O'Donnell

Self

Kathie Lee Gifford

First Assistant Director

Steve Apicella

Writer

Mark Saltzman

Director

Chuck Vinson

Executive Producer

Andrew Solt