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