Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
Frank Welker
Shaggy Rogers (voice)
Casey Kasem
Velma Dinkley (voice)
Mindy Cohn
Daphne Blake / Shannon Blake (voice)
Grey DeLisle
Duncan MacGubbin / Mcintyre (voice)
Michael Bell
Del Chillman / Sir Ian Locksley / Harpoon Gunner (voice)
Jeff Bennett
Colin Haggart / Volunteer #1 (voice)
John DiMaggio
Angus Haggart / Volunteer #2 (voice)
Phil LaMarr
Professor Fiona Pembrooke (voice)
Sheena Easton
Director
Joe Sichta
Producer
Story
Executive Producer
Joseph Barbera
Scott Jeralds
Visual Effects
Azariah Owens
Line Producer
Kathryn Page
Casting
Collette Sunderman
Orchestrator
Thomas Chase
ADR Editor
Kelly Ann Foley
Foley Artist
Phyllis Ginter
Production Manager
Andy Lewis
Sander Schwartz
Foley Mixer
Marilyn Graf
Writer
Mark Turosz
Supervising Dialogue Editor
Mark A. Keatts
Sound Designer
Paca Thomas
Online Editor
Tony Tedford
Administration
Liz Carroll
Production Supervisor
Howard Schwartz
Other
Christopher Keenan
Kerry Iverson
Dialogue Editor
Mark Keefer
Post Production Supervisor
Bonnie Buckner
Sound Re-Recording Mixer
Ray Leonard
Ed Scharlach
George Doty IV
Michael Beiriger
Character Designer
Kathi Castillo
Background Designer
Tristin Cole
Original Music Composer
Editor
Margaret Hou
Margaret M. Dean
Supervising ADR Editor