Audra McDonald as Caroler

Zosia Mamet as Bella

Jim Gaffigan as Santa Claus

Alan Muraoka as Alan

Suki Lopez as Nina

Ryan Dillon as Elmo (voice)

Eric Jacobson as Bert / Grover / Two-Headed Monster (voice)

Matt Vogel as Count von Count / Constable (voice)

Caroll Spinney as Big Bird / Oscar the Grouch (voice)

Billy Barkhurst as Ernie (voice)

Jennifer Barnhart as Holly (voice)

Tyler Bunch as Louie (voice)

Leslie Carrara-Rudolph as Abby Cadabby / Becky (voice)

Carmen Osbahr as Rosita (voice)

David Rudman as Cookie Monster / Two-Headed Monster (voice)

Haley Jenkins as Lavendar Anything Muppet Woman (voice)

Martin P. Robinson as Hot Pink Muppet Elf (voice)

Kolette Tetlow as 19th Century Downtrodden Child

Julius Thomas III as 19th Century Street Denizen / Present Day Street Denizen

Jennifer Auberjonois as Additional Muppet Performer (voice)

Jamie Donmoyer as Additional Muppet Performer (voice)

Elizabeth Duff as Additional Muppet Performer (voice)

Megan Godin as Additional Muppet Performer (voice)

Liz Hara as Additional Muppet Performer (voice)

Chris Thomas Hayes as Additional Muppet Performer (voice)

Kathleen Kim as Additional Muppet Performer (voice)

Tim Lagasse as Additional Muppet Performer (voice)

Spencer Lott as Additional Muppet Performer (voice)

Lara MacLean as Additional Muppet Performer (voice)

Samantha McDanel as Additional Muppet Performer (voice)

Andrew Moriarty as Additional Muppet Performer (voice)

Mike Ancas as Additional Muppet Performer (voice) (uncredited)