Everyone/Scrooge (from The Muppet Christmas Carol)

Cast

 * Grover (from Sesame Street) as Gonzo
 * Rudy the Mouse (from Maggie and the Ferocious Beast) as Rizzo the Rat
 * Captain Hook (from Jake and the Never Land Pirates) as Ebenezer Scrooge
 * Squidward Tentacles (from SpongeBob SquarePants) as George the Janitor
 * Queen Miranda (from Sofia the First) as Whatnot Woman
 * Ludwig von Drake (from Mickey Mouse Clubhouse) as British Pig
 * Diesel 10 (from Thomas and Friends) as Boppity
 * Cleo (from Clifford the Big Red Dog) as Aretha
 * Fox in Socks (from The Wubbulous World of Dr. Seuss) as Porcupine
 * Batly (from Eureeka's Castle) as Inkspot
 * Bugs Bunny (from Looney Tunes) as Rabbit
 * Mr. Johnson (from Sesame Street) as J.P. Grosse
 * The Muppaphones (from The Muppets) as Sheep
 * Little Jerry, Big Jeffy, Chrissy and Rockin' Richard (from Sesame Street) as Singing Vegetables
 * Barney (from Barney and Friends) as Vegetable Seller
 * Golias, Nessa and Bongo (from My Big, Big Friend) as Pigeons
 * Yogi Bear and Boo Boo Bear (from Yogi Bear) as Cats
 * Olaf (from Frozen) as Beggar
 * Whatnaught (from Sofia the First) as Purple Monster
 * Magellan (from Eureeka's Castle) as Mudwell the Mudbunny
 * Tigger (from Winnie the Pooh) as Murray the Minstrel
 * Nedley the Rabbit (from Maggie and the Ferocious Beast) as Begoony
 * The Jellybean Team (from Maggie and the Ferocious Beast) as Mouse Family
 * Princess Amber (from Sofia the First) as Geri
 * Dora (from Dora the Explorer) as Geri and the Atrics drummer
 * Emily Elizabeth (from Clifford the Big Red Dog) as Geri and the Atrics pianist
 * Prairie Dawn (from Sesame Street) as Mrs. Appleby
 * Blue (from Blue's Clues) as Yolanda the Rat
 * Phineas Flynn, Ferb Fletcher, Candace Flynn, Isabella Garcia-Shapiro, Buford van Stomm, Jeremy Johnson and Baljeet (from Phineas and Ferb) as Children
 * Roosevelt Franklin (from Sesame Street) as Punch and Judy Puppeteer
 * Thing One and Thing Two (from The Cat in the Hat Knows a Lot About That!) as Punch and Judy Puppets
 * Marvin (from Marvin the Tap-Dancing Horse) as Richmond the Horse
 * Buster the Horse (from Sesame Street) as Horse
 * Mr. Krabs (from SpongeBob SquarePants) as Mr. Bitte
 * Eeyore (from Winnie the Pooh) as Pops
 * Anything Muppets (from Sesame Street) as Whatnots
 * Jackman Wolf (from Sesame Street) as Wolf