Joe Pesci

as Ronald Grump

Julia Louis-Dreyfus

as Kathy Lee Kathy

Charles Grodin

as Chaz

Susan Sarandon

as Bitsy

Corbin Bernsen

as Arnie

Danny DeVito

as Worm TV Host

Rhea Perlman

as Worm TV Host

John Goodman

as Tough Guy Helpline Operator

Rosie O'Donnell

as Good Hope Fairy

Kathie Lee Gifford

as Self

Regis Philbin

as Self

Barbara Walters

as Self

Carlo Alban

as Carlo

Ruth Buzzi

as Ruthie

Annette Calud

as Celina

Desiree Casado

as Gabi

Emilio Delgado

as Luis

Savion Glover

as Savion

Sonia Manzano

as Maria

Roscoe Orman

as Gordon

Tarah Schaeffer

as Tarah

Caroll Spinney

as Big Bird / Oscar the Grouch (voice)

Jerry Nelson

as Count von Count / Herry Monster (voice)

Martin P. Robinson

as Telly Monster (voice)

Kevin Clash

as Elmo / Benny Rabbit (voice)

Fran Brill

as Prairie Dawn / Zoe (voice)

Jim Henson

as Kermit the Frog / Ernie (archive footage)

Maya Angelou

as Self (archive footage)

Annette Bening

as Self (archive footage)

Candice Bergen

as Self (archive footage)

John Candy

as Self (archive footage)

Phoebe Cates

as Self (archive footage)

Ray Charles

as Self (archive footage)

Billy Crystal

as Self (archive footage)

Jane Curtin

as Self (archive footage)

Jamie Lee Curtis

as Self (archive footage)

Terry Ellis

as Self (archive footage)

Sally Field

as Self (archive footage)

Jodie Foster

as Self (archive footage)

Cindy Herron

as Self (archive footage)

Lena Horne

as Self (archive footage)

Marilyn Horne

as Self (archive footage)

Jeremy Irons

as Self (archive footage)

Bo Jackson

as Self (archive footage)

Maxine Jones

as Self (archive footage)

Carol Kane

as Self (archive footage)

Kevin Kline

as Self (archive footage)

Patti LaBelle

as Self (archive footage)

Jay Leno

as Self (archive footage)

Marlee Matlin

as Self (archive footage)

Aaron Neville

as Self (archive footage)

Carmen Osbahr

as Rosita (archive footage)

Frank Oz

as Bert / Grover (archive footage)

Itzhak Perlman

as Self (archive footage)

Julia Roberts

as Self (archive footage)

Dawn Robinson

as Self (archive footage)

Linda Ronstadt

as Self (archive footage)

Diana Ross

as Self (archive footage)

Martin Short

as Ed Grimley (archive footage)

Paul Simon

as Self (archive footage)

Marisa Tomei

as Self (archive footage)

Lily Tomlin

as Ernestine (archive footage)

Kathleen Turner

as Self (archive footage)

Steve Whitmire

as Ernie (archive footage)

Robin Williams

as Self (archive footage)

Henry Winkler

as Arthur 'Fonzie' Fonzarelli (archive footage)

Daniella Evangelista

as Child Extra (uncredited)

Denzel Washington

as Self (archive footage)

Jim Carrey

as Self (archive footage)