Premise

The supersleuth pooch and the Mystery Machine gang head to Scotland, where they check out the mysterious creature in the lake. Good family fun. Former 1980s rock star Sheena Easton provides the voice of Fiona Pembroke, a Scottish college professor.

Cast

Frank Welker Scooby-Doo/Fred/Lachlan Haggart
Casey Kasem Shaggy
Grey Delisle Daphne/Shannon Blake
Jeff Bennett Del/Sir Ian Locksley