Scooby-Doo and the gang team up with their pals, Bill Nye The Science Guy and Elvira Mistress of the Dark, to solve this mystery of gigantic proportions and save Crystal Cove!
Plot Keywords: halloween, friendship, friends, mystery, family
| Director | Maxwell Atoms |
|---|---|
| Writer | Maxwell Atoms |
| Production Companies | Warner Bros. Animation, Hanna-Barbera Productions, Warner Bros. Cartoons |
| Production Country | United States of America |
| Spoken Language | English |
Top Billed Cast of Happy Halloween, Scooby-Doo!
Frank Welker
Scooby-Doo / Fred Jones (voice)
Grey DeLisle
Daphne Blake (voice)
Matthew Lillard
Shaggy Rogers (voice)
Kate Micucci
Velma Dinkley (voice)
Cassandra Peterson
Elvira (voice)
Bill Nye
Himself (voice)
Dwight Schultz
Jonathan Crane (Scarecrow) (voice)
Bumper Robinson
Mike (Voice)
David Herman
Sheriff / Cutler Tot (Voice)
Roger Craig Smith
Autopilot / Parent (Voice)
Fred Tatasciore
Alpha Jackal Lantern / Federal Agent Malarkey (Voice)Alternate Titles
Happy Halloween, Scooby-Doo!
