Hey Arnold!/Santa's Shopping Network

Scheck as Rudy

Grandpa Phil as Santa

Arnold as Robin

Gerald as Marty

Stinky as Chris

Helga as Kim

Phoebe as Lyn

Lila as Pat

Sheena as Elf Ellie

Sandy as Elf Wendy

Sid as Elf Webster

Eugene as Blitzen

Grandma Gertie as Mrs. Claus