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.
Scooby-Doo / Fred Jones / Lachlan Haggart (voice)
Shaggy Rogers (voice)
Velma Dinkley (voice)
Daphne Blake / Shannon Blake (voice)
Duncan MacGubbin / Mcintyre (voice)
Del Chillman / Sir Ian Locksley / Harpoon Gunner (voice)
Colin Haggart / Volunteer #1 (voice)
Angus Haggart / Volunteer #2 (voice)
Professor Fiona Pembrooke (voice)
