Dave Goelz as Gonzo / Bunsen / Zoot / Beauregard / Waldorf / Chip / Randy Pig

Bill Barretta as Pepe / Rowlf / Dr. Teeth / The Swedish Chef

Eric Jacobson as Miss Piggy / Fozzie / Animal / Sam Eagle

Matt Vogel as Kermit / Uncle Deadly / Floyd / Sweetums / Pops

Peter Linz as Walter / Joe From Legal / Statler / Robin / Lips

David Rudman as Scooter / Janice / Beaker / Wayne / Squid Ghost

Alice Dinnean as Mummy / Caretaker's Dog / Miss Cartier

Bruce Lanoil as Duddy / Ballroom Rat

Julianne Buescher as Yolanda / Beverly Plume / Wanda / Screaming Ghost

Brian Henson as Sal Minella

Sarah Oh as Supporting Muppet Performer

Nicolette Santino as Party Tomato

Colleen Smith as Supporting Muppet Performer

Alan Trautman as Supporting Muppet Performer

Alex Villa as Pumpkin

Will Arnett as The Host

Yvette Nicole Brown as The Driver

Darren Criss as The Caretaker

Taraji P. Henson as The Bride

Ed Asner as Ghost of Claude

Kim Irvine as Haunted Mansion Maid

Skai Jackson as Singing Bust

Geoff Keighley as Singing Bust

Justina Machado as Singing Bust

Jeannie Mai as Ghost of Maude

Chrissy Metz as Ghost of Harriet

Alfonso Ribeiro as Ghost of Fred

Craig Robinson as Singing Bust

Pat Sajak as Singing Bust

John Stamos as Famous Person

Danny Trejo as Ghost of Huet

Sasheer Zamata as Ghost of Mary

Quinn McPherson as Hallway Knight