Directed by Maxwell Atoms Written by Maxwell Atoms William Hanna Joseph Barbera Bob Kane Bill Finger Jerry Robinson Joe Ruby Ken Spears Cast Frank Welker ... Scooby-Doo / Fred Jones (voice) Matthew Lillard ... Shaggy Rogers (voice) Grey Griffin ... Daphne Blake (voice) Kate Micucci ... Velma Dinkley (voice) Cassandra Peterson ... Elvira, Mistress of the Dark (voice) Bill Nye ... Bill Nye (voice) Dwight Schultz ... Dr. Jonathan Crane / Scarecrow (voice) Kamali Minter ... Michelle (voice) Bumper Robinson ... Mike (voice) Roger Craig Smith ... Autopilot / Parent (voice) Fred Tatasciore ... Alpha Jackal Lantern / Federal Agent Malarkey (voice) David Herman ... Sheriff / Cutler Toe (voice) (as Dave Herman) Phyllis Diller ... Self (archive sound) Produced by Maxwell Atoms Shaun Avnet Colin A.B.V. Lewis Sam Register Original Music by Robert J. Kral Steve Rucker

Additional Info Premiere: September 14, 2020 DVD Release: October 06, 2020 Country: Distributor: Warner Brother Studios Websites: Alternate Titles Scooby-Doo! Halloween Production Companies Warner Bros. Animation Distributors Warner Bros. Home Entertainment   (2020) (USA) (DVD) Rating Stats Overall Rating 6.2 / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #7,465 / 20,698 Site Ranking #7,461 Demonia (1990) #7,462 The Witches Of Oz (2011) #7,463 Outback (2019) #7,464 Adventures Of Power (2008) #7,465 Happy Halloween, Scooby-Doo! (2020) #7,466 Ilsa, The Tigress Of Siberia (1977) #7,467 Beneath Still Waters (2005) #7,468 The Puppetman (2023) #7,469 The Wind (1986)