Frank Welker as Fred Jones / Scooby Doo (voice)

Grey DeLisle as Daphne Blake (voice)

Matthew Lillard as Shaggy Rogers (voice)

Mindy Cohn as Velma Dinkley (voice)

Melissa Rauch as Kiki Brownstone (voice)

Beth Tapper as Annette (voice)

Daran Norris as Kurt (voice)

Adam West as Sandy Blake (voice)

Christopher Showerman as Police Officer (voice)

David Kaye as Grafton Brownstone (voice)