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