Frank Welker in Scooby-Doo and the Loch Ness Monster (2004)

Scooby-Doo and the Loch Ness Monster (2004)

Casey Kasem in Scooby-Doo and the Loch Ness Monster (2004)

Grey Griffin in Scooby-Doo and the Loch Ness Monster (2004)

Grey Griffin and Frank Welker in Scooby-Doo and the Loch Ness Monster (2004)

Casey Kasem and Frank Welker in Scooby-Doo and the Loch Ness Monster (2004)

Mindy Cohn, Grey Griffin, Casey Kasem, and Frank Welker in Scooby-Doo and the Loch Ness Monster (2004)

Tim Curry, Mindy Cohn, Grey Griffin, Casey Kasem, Hayden Panettiere, and Frank Welker in Scooby-Doo and the Loch Ness Monster (2004)