| Person | Type | Job | Role(s) |
|---|---|---|---|
 Andrea Romano | Crew | Production | Casting |
 Bernard Wolf | Crew | Production | Producer |
Bob Hathcock | Crew | Production | Producer |
 Charles A. Nichols | Crew | Directing | Director |
Gil Iverson | Crew | Editing | Editor |
Glenn Leopold | Crew | Writing | Writer |
James T. Walker | Crew | Visual Effects | Animation Director |
 Joseph Barbera | Crew | Production | Executive Producer |
Ray Patterson | Crew | Visual Effects | Animation Director |
Sven Libaek | Crew | Sound | Original Music Composer |
 William Hanna | Crew | Production | Executive Producer |
 Aaron Lohr | Cast | Actor | Cadet Miguel (voice) |
 Andre Stojka | Cast | Actor | The Grim Creeper / Mummy Daddy (voice) |
 Brian Cummings | Cast | Actor | Fan Monster (uncredited voice) |
 Bumper Robinson | Cast | Actor | Cadet Jamaal (voice) |
 Casey Kasem | Cast | Actor | Shaggy Rogers / Mirror Monster (voice) |
 Don Messick | Cast | Actor | Scooby-Doo / Scrappy-Doo (voice) |
 Frank Welker | Cast | Actor | Matches / Papa Werewolf / Well Dweller (voice) |
 Glynis Johns | Cast | Actress | Ms. Grimwood (voice) |
 Hamilton Camp | Cast | Actor | Phantom Father (voice) |
 Jeff Cohen | Cast | Actor | Cadet Grunt (voice) |
 Linda Gary | Cast | Actress | Doorbell Monster (uncredited voice) |
 Marilyn Schreffler | Cast | Actress | Winnie Werewolf (voice) |
 Pat Musick | Cast | Actress | Elsa Frankensteen (voice) |
 Remy Auberjonois | Cast | Actor | Cadet Baxter (voice) |
 Ronnie Schell | Cast | Actor | Colonel Calloway (voice) |
 Russi Taylor | Cast | Actress | Phantasma (voice) |
 Ruta Lee | Cast | Actress | Revolta (voice) |
 Scott Menville | Cast | Actor | Cadet Tug Roper (voice) |
 Susan Blu | Cast | Actress | Sibella Dracula (voice) |
Zale Kessler | Cast | Actor | Daddy Dracula / Frankenstein Senior (voice) |
 Patty Maloney | Cast | Actress | Tanis the Mummy (voice) |
| Person | Type | Job | Role(s) |
