Frank Oz
Miss Piggy / Fozzie Bear / Animal (voice)
Jim Henson
Kermit The Frog
George Hamilton
Self
John Ritter
Self
Andy Kaufman
Tony Clifton
Dave Goelz
Gonzo / Dr. Bunsen Honeydew (voice)
Richard Hunt
Scooter / Janice / Beaker (voice)
Steve Whitmire
Rizzo the Rat / Background Singer (voice)
Karen Prell
Various Muppets
Kathryn Mullen
Various Muppets
Terry Angus
Various Muppets