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)
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)
Brian Hohlfeld
Daddy Dodo (voice)
Richard Campbell
Boy with Apple
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)
Patricia Leeper
Mommy Dodo / Board of Birds (voice)
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)