Eric Stonestreet

Max Seward (voice)

Aparna Nancherla

Nia Emissiona

Kelsey Grammer

John Seward

Peter Grosz

Frankenstein / Freddy / Cannibal / Jason / Pastry Beast / Mummy

Langston Kerman

Dr. Edgar Martinez / Pazuzu / Headless Horseman

Ellie Kemper

Elsa Brenner

Patton Oswalt

Invisible Man

Amy Sedaris

Medusa

Amber Ruffin

Mermaid / Gremlin

Adam Pally

Zombie

Joel Kim Booster

Phantom of the Opera

Milana Vayntrub

Ring Girl

Hannah Parikh

Megan / Tiny Demon

Frank Lesser