Caroll Spinney
Big Bird / Oscar the Grouch / Bruno the Trashman (voice)
Jim Henson
Kermit the Frog / Ernie (voice)
Frank Oz
Cookie Monster / Bert / Grover / Additional Muppets (voice)
Richard Hunt
Gladys the Cow / Feathered Friends Owl / Additional Muppets / Grouches (voice)
Kathryn Mullen
Feathered Friends Magistrate / Grouch Diner Patron / Little Girl / Additional Muppets (voice)
Jerry Nelson
Count von Count / Herry Monster / Additional Muppets (voice)
Paul Bartel
Grouch Cook
Sandra Bernhard
Grouch Waitress
Waylon Jennings
Truck Driver
Laraine Newman
Mommy Dodo (voice)
Eddie Deezen
Donnie Dodo (voice)
Sally Kellerman
Miss Finch (voice)
Cathy Silvers
Marie Dodo (voice)
John Candy
State Trooper
Chevy Chase
Newscaster
Joe Flaherty
Sid Sleaze
Dave Thomas
Sam Sleaze
Brian Hohlfeld
Daddy Dodo (voice)
Linda Bove
Linda
Emilio Delgado
Luis
Loretta Long
Susan
Sonia Manzano
Maria
Bob McGrath
Bob
Roscoe Orman
Gordon
Alaina Reed Hall
Olivia
Kermit Love
Willy
Alyson Court
Ruthie
Richard Campbell
Boy with Apple
Liston Bates
Rescue Boy
Tawny Richard
Rescue Girl
Adrian McCalla
Kid at Map
Tanya Marie Cook
Tanya
Shawna Stoll
Airline Announcer
Martin P. Robinson
Mr. Snuffleupagus / Telly Monster / Board of Birds / Grouch Diner Patron (voice)
Bryant Young
Mr. Snuffleupagus (Back Half)
Fred Garver
Barkley (voice)
Cheryl Wagner
Miss Finch
Patricia Leeper
Mommy Dodo / Board of Birds (voice)
Gord Robertson
Daddy Dodo
Jeff Weiser
Donnie Dodo
Shari Weiser
Marie Dodo
Tim Gosley
Honker / Board of Birds
Noel MacNeal
Board of Birds (voice)
Bob Stutt
Board of Birds (voice)
Nikki Tilroe
Board of Birds (voice)
Lee Armstrong
Board of Birds (voice)
Rob Mills
Board of Birds (voice)
John Pattison
Board of Birds (voice)
Benjamin Barrett
Floyd