• 
  Ken Kwapis

  regizor

• 
  Tony Geiss

  scenarist

• 
  George Lucas

  extra
• 
  Chevy Chase

  Newscaster
• 
  Carroll Spinney

  Pasarea cea mare / Oscar / Bruno / Grouch (voce)
• 
  Jim Henson

  Broasca Kermit / Ernie / Granny Fannie Nesselrode (voce)
• 
  Frank Oz

  Monstrul Cookie / Bert / Grover (voce)
• 
  John Candy

  State Trooper

• 
  Sally Kellerman

  Miss Finch
• 
  Sandra Bernhard

  Grouch Waitress
• 
  Laraine Newman

  Mommy Dodo
• 
  Kathryn Mullen

  Feathered Friend's Magistrate/Grouch (uncredited) (principal muppet performers)
• 
  Brian Hohlfeld

  Daddy Dodo
• 
  Myra Fried

  Additional Muppet Performer
• 
  Dave Thomas

  Sam Sleaze

• 
  Roscoe Orman

  Gordon
• 
  Alyson Court

  Ruthie
• 
  Kevin Clash

  Additional Muppet Performer / Board of Birds / Elmo (uncredited)
• 
  Paul Bartel

  Grouch Cook
• 
  Joe Flaherty

  Sid Sleaze
• 
  Sonia Manzano

  Maria
• 
  Eddie Deezen

  Donnie Dodo
• 
  Richard Hunt

  Gladys the Cow
• 
  Waylon Jennings

  Truck Driver
• 
  Jerry Nelson

  Count von Count
• 
  Caroll Spinney

  Big Bird