The Mystery Inc. gang have gone their separate ways and have been apart for two years, until they each receive an invitation to Spooky Island. Not knowing that the others have also been invited, they show up and discover an amusement park that affects young visitors in very strange ways.
| Production | Joseph Barbera | Executive Producer |
| Production | Robert Engelman | Executive Producer |
| Production | William Hanna | Executive Producer |
| Production | Andrew Mason | Executive Producer |
| Production | Kelley Smith-Wait | Executive Producer |
| Production | Charles Roven | Producer |
| Production | Richard Suckle | Producer |
| Directing | Raja Gosnell | Director |
| Writing | James Gunn | Screenplay |
| Camera | David Eggby | Director of Photography |
| Editing | Kent Beyda | Editor |
| Production | Mary Vernieu | Casting |
| Writing | Bob Camp | Storyboard |
| Production | Andrew Egiziano | Production Manager |
| Art | Mike Cachuela | Art Department Manager |
| Visual Effects | Michael Leung | Visual Effects |
| Visual Effects | Larry White | Animation |
| Visual Effects | Jay Jackson | Animation |
| Visual Effects | Christina Butterfield | Animation Manager |
| Crew | Roger Huynh | Compositors |
| Production | Sheryl Benko | Associate Producer |
| Production | Alan Glazer | Co-Producer |
| Production | Stephen Jones | Associate Producer |
| Production | Philip A. Patterson | Associate Producer |
| Sound | David Newman | Original Music Composer |
| Crew | Margaret Mitchell | Production Controller |
| Writing | Craig Titley | Story |
| Writing | William Hanna | Characters |
| Writing | Joseph Barbera | Characters |
| Art | Bill Boes | Production Design |
| Art | Bill Booth | Art Direction |
| Art | Donna Brown | Art Direction |
| Art | Helen Gabrielle Gliniak | Art Direction |
| Art | Christian Wintter | Art Direction |
| Art | Jodie Allen | Set Decoration |
| Art | Suza Maybury | Set Decoration |
| Art | Matthew Putland | Set Decoration |
| Art | Sandy Wingrove | Set Decoration |
| Costume & Make-Up | Leesa Evans | Costume Design |
| Art | Kim Prentice | Art Department Assistant |
| Art | Amiee Clark | Art Department Coordinator |
| Art | Fiona Scott | Assistant Art Director |
| Art | Bernie Childs | Construction Coordinator |
| Art | Gary Cramb | Construction Foreman |
| Art | Gregg Thomas | Greensman |
| Art | Leigh-Alexandra Jacob | Lead Painter |
| Art | Mike Cachuela | Production Illustrator |
| Art | Kirstine Wallis | Sculptor |
| Art | Martin Ash | Set Designer |
| Camera | Ricky Schamburg | First Assistant Camera |
| Camera | Jasin Boland | Still Photographer |
| Costume & Make-Up | Barbara Darragh | Assistant Costume Designer |
| Costume & Make-Up | Robyn Elliott | Costume Supervisor |
| Costume & Make-Up | Grace Hernandez | Hairstylist |
| Costume & Make-Up | Kristelle Gardiner | Makeup Artist |
| Costume & Make-Up | Melanie Shepherd | Set Costumer |
| Crew | David Childs | Carpenter |
| Crew | Didier Levy | CG Supervisor |
| Crew | John O'Connell | Choreographer |
| Crew | Anthony Mabin | Digital Effects Supervisor |
| Crew | Giselle Brewton | Loader |
| Crew | Lisa Brennan | Property Master |
| Crew | Sherie Bradfute | Software Engineer |
| Crew | Vic Kaspar | Sound Recordist |
| Crew | Brad Hanson | Stand In |
| Crew | Guy Norris | Stunt Coordinator |
| Crew | Melissa Barker | Stunts |
| Crew | Ben De Luca | Systems Administrators & Support |
| Crew | Monica Heideman | Telecine Colorist |
| Production | Stephen Jones | Unit Production Manager |
| Crew | Kevin Abercrombie | Utility Stunts |
| Crew | Michael Backauskas | Visual Effects Editor |
| Directing | Jo Weeks | Script Supervisor |
| Editing | Laura Harris Atkinson | Dialogue Editor |
| Editing | Matt Diezel | First Assistant Editor |
| Lighting | Adam Williams | Gaffer |
| Lighting | Michael Conelly | Lighting Supervisor |
| Lighting | Todd Carmody | Lighting Technician |
| Lighting | Stewart Sorby | Rigging Gaffer |
| Production | Daniel R. Chavez | Executive In Charge Of Post Production |
| Production | Bill Draper | Executive In Charge Of Production |
| Production | Jamie McLennan | Location Manager |
| Production | Paula Marie Duncan | Production Accountant |
| Production | Jennifer Cornwell | Production Coordinator |
| Production | Fiona Searson | Publicist |
| Sound | Rod Conder | Boom Operator |
| Sound | Katherine Quittner | Music Editor |
| Sound | Laura Ziffren | Music Supervisor |
| Sound | Gregory Jamrok | Orchestrator |
| Sound | Paul 'Salty' Brincat | Production Sound Mixer |
| Sound | Scott Sanders | Sound Designer |
| Sound | Christopher Assells | Sound Effects Editor |
| Sound | Jeff Glueck | Sound Engineer |
| Sound | Leonel Pedraza | Sound Mixer |
| Sound | Michael D. Wilhoit | Supervising Sound Editor |
| Visual Effects | Richard Baneham | Animation Supervisor |
| Visual Effects | Jason Bayever | Digital Compositors |
| Visual Effects | Brian Cox | Special Effects Supervisor |
| Visual Effects | Tohru Patrick Awa | Visual Development |
| Visual Effects | Douglas Bloom | Visual Effects |
| Visual Effects | Keith Foston | Visual Effects Coordinator |
| Visual Effects | Michele C. Vallillo | Visual Effects Producer |
| Visual Effects | Peter Crosman | Visual Effects Supervisor |
| Crew | Jenny Groener | Digital Producer |
| Visual Effects | Keith Hunter | Modeling |
| Visual Effects | Allen Foster | VFX Supervisor |
| Production | Brendon 'Moose' Boyd | Unit Manager |
| Art | Justine Dunn | Set Dresser |
| Camera | Glenn Arrowsmith | Dolly Grip |
| Camera | Richard Allardice | Key Grip |
| Costume & Make-Up | Lesley Vanderwalt | Hair Supervisor |
| Costume & Make-Up | Erwin H. Kupitz | Wig Designer |
| Crew | John Cox | Animatronics Supervisor |
| Crew | Daniel Harvey | Digital Effects Producer |
| Crew | Terry Lee | Pilot |
| Directing | Philip A. Patterson | First Assistant Director |
| Directing | Angella McPherson | Second Assistant Director |
| Directing | Drew Bailey | Third Assistant Director |
| Editing | Mo Henry | Negative Cutter |
| Lighting | Ian Dewhurst | Chief Lighting Technician |
| Production | Caitlin McKenna-Wilkinson | ADR Voice Casting |
| Production | Kerry Mulgrew | Assistant Production Coordinator |
| Production | Mary Bills | Assistant Production Manager |
| Production | Jamie Underwood | Casting Assistant |
| Sound | Michelle Pazer | ADR Editor |
| Sound | Todd Egan | Assistant Sound Editor |
| Sound | Scott Wolf | Foley Editor |
| Sound | Tom Boyd | Musician |
| Sound | Kelly Oxford | Supervising ADR Editor |
| Visual Effects | Cheryl Budgett | 2D Supervisor |
| Visual Effects | William L. Arance | 3D Modeller |
| Visual Effects | Jesse Sugarman | CG Animator |
| Visual Effects | Lee Romaire | Character Designer |
| Visual Effects | Wilmer Lin | Matchmove Supervisor |
| Editing | David Orr | Color Timer |
| Costume & Make-Up | Joan Nygren | Assistant Makeup Artist |
| Costume & Make-Up | Vicki Martin | Costume Assistant |
| Costume & Make-Up | Kelly Foreman | Costumer |
| Costume & Make-Up | Paul Pattison | Hairdresser |
| Costume & Make-Up | Kym Sainsbury | Prosthetics |
| Directing | Kazmer Harangozo | Second Second Assistant Director |
| Directing | Guy Norris | Second Unit Director |
| Art | Brom | Concept Artist |
| Art | Graeme Callander | Storyboard Artist |
| Sound | Weldon Brown | ADR Mixer |
| Sound | Michael McNerney | ADR Recordist |
| Sound | James Moriana | Foley Artist |
| Sound | Nerses Gezalyan | Foley Mixer |
| Crew | John O'Brien | Special Effects Assistant |
| Visual Effects | Neil Krepela | Additional Visual Effects |
| Visual Effects | Jeffrey Schaper | Visual Effects Production Assistant |
| Visual Effects | Caroline Grubb | Visual Effects Production Manager |
| Crew | Nick McKinless | Stunt Double |
| Camera | Mark Broadbent | Assistant Camera |
| Camera | Troy Reichman | Second Assistant Camera |
| Editing | Kirsty Bruce | Assistant Editor |
| Editing | Kent Pritchett | Colorist |
| Production | Nick Smith | Assistant Location Manager |
| Sound | David Newman | Conductor |
| Sound | Nicole Catino | Music Coordinator |
| Sound | Ralph Churchwell | Music Producer |
| Production | Lisa Shaunessy | Accountant |
| Lighting | Laurie Fish | Assistant Chief Lighting Technician |
| Production | Damian Eggins | Assistant Unit Manager |
| Crew | Masoud Aghdasi | Catering |
| Visual Effects | Greg Gladstone | CG Artist |
| Visual Effects | Jeff McLean | Compositing Lead |
| Crew | Bruce Shapiro | Dialogue Coach |
| Production | Jane Dawkins | Extras Casting |
| Production | Trista K. Wahl | Production Assistant |
| Production | Caroline Austin | Production Secretary |
| Crew | Nick Lawson | Stunts |
