Sesame Street Stays Up Late/The Muppet Show

Cast

 * Big Bird as Kermit the Frog
 * Zoe as Miss Piggy
 * Snuffy as Fozzie Bear
 * Telly Monster as Gonzo
 * Grover as Scooter
 * Baby Bear as Rowlf the Dog
 * Bjarne Betjent as Marvin Suggs
 * Count von Count as Dr. Teeth
 * Herry Monster as Floyd Pepper
 * Prairie Dawn as Janice
 * Hoots the Owl as Zoot
 * Wolfgang the Seal as Animal
 * Kermit the Forg as Lips
 * Elmo as Rizzo the Rat
 * Ernie as Dr. Bunsen Honeydew
 * Bert as Beaker
 * Moishe Oofnik as Sam the Eagle
 * Cookie Monster as The Swedish Chef
 * Cousin Pepe as Lew Zealand
 * MNN Logo Monsters as Statler and Waldorf
 * Max Mekker as Sweetums
 * Elmo-noske as Robin the Frog
 * Rosita as Camilla the Chicken
 * Benny Rabbit as George the Janitor
 * Samson as Doglion
 * Uncle Hank as Gloat
 * Roxie Marie as Lou
 * Penguins as Penguins
 * The Squirrelles as Chickens
 * Oscar the Grouch as Uncle Deadly
 * Lambs as Muppaphones
 * Merry Monster as Annie Sue Pig
 * Alfa as Ma Bear
 * Gladys the Cow as Mildred Huxtetter
 * Baby Natasha as Baby Band
 * Humphrey and Ingrid as Wayne and Wanda
 * Mr. Honker and Orange Honker as Bossmen
 * The Big Bad Wolf as Boppity
 * Tita as Hilda
 * Tiffy as Zelda Rose
 * Finchen as Miss Mousey
 * Kippi Ben Kippod as Thog
 * Bats as The Fazoobs
 * Mrs. Grouch as Mean Mama
 * Slimey the Worm as Shakey Sanchez

The Sesame Street Humans as the Guest Stars

 * Celina as Juliet Prowse
 * Gina as Connie Stevens
 * Luis as Joel Grey
 * Ruthie as Ruth Buzzi
 * Angela as Rita Moreno
 * Bob as Jim Nabors
 * Maria as Florence Henderson
 * Carlo as Paul Williams
 * Gordon as Charles Aznavour
 * Jamal as Harvey Korman
 * Susan as Lena Horne
 * Savion as Peter Ustinov
 * Linda as Sandy Duncan
 * Tarah as Candice Bergen