Scooby-Doo! and the 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)