
Bette Midler
Grandma (voice)

Allison Janney
Margaux Needler (voice)

Martin Short
Grandpa Frump (voice)

Catherine O'Hara
Grandma Frump (voice)

Tituss Burgess
Glenn (voice)

Jenifer Lewis
Great Auntie Sloom (Voice)

Elsie Fisher
Parker Needler (voice)

Conrad Vernon
Lurch / Priest / Spirit of the House / Dr. Flambe (voice)

Aimee Garcia
Denise (voice)

Scott Underwood
Mitch (voice)