Director: Scott Jeralds
While the gang travel to Scotland to visit Daphne's cousin and witness the annual Highland Games, they find themselves terrorized by the legendary Loch Ness Monster.
Frank Welker
Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
Casey Kasem
Shaggy Rogers (voice)
Mindy Cohn
Velma Dinkley (voice)
Grey DeLisle
Daphne Blake / Shannon Blake (voice)
Michael Bell
Duncan MacGubbin / Mcintyre (voice)
Jeff Bennett
Del Chillman / Sir Ian Locksley / Harpoon Gunner (voice)
John DiMaggio
Colin Haggart / Volunteer #1 (voice)
Phil LaMarr
Angus Haggart / Volunteer #2 (voice)
Sheena Easton
Professor Fiona Pembrooke (voice)
Frank Welker
Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
Casey Kasem
Shaggy Rogers (voice)
Mindy Cohn
Velma Dinkley (voice)
Grey DeLisle
Daphne Blake / Shannon Blake (voice)
Michael Bell
Duncan MacGubbin / Mcintyre (voice)
Jeff Bennett
Del Chillman / Sir Ian Locksley / Harpoon Gunner (voice)
John DiMaggio
Colin Haggart / Volunteer #1 (voice)
Phil LaMarr
Angus Haggart / Volunteer #2 (voice)
Sheena Easton
Professor Fiona Pembrooke (voice)
Frank Welker
Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
Casey Kasem
Shaggy Rogers (voice)
Mindy Cohn
Velma Dinkley (voice)
Grey DeLisle
Daphne Blake / Shannon Blake (voice)
Michael Bell
Duncan MacGubbin / Mcintyre (voice)
Jeff Bennett
Del Chillman / Sir Ian Locksley / Harpoon Gunner (voice)
John DiMaggio
Colin Haggart / Volunteer #1 (voice)
Phil LaMarr
Angus Haggart / Volunteer #2 (voice)
Sheena Easton
Professor Fiona Pembrooke (voice)