Scooby-Doo! e il mostro marino

Frank Welker

Fred Jones / Scooby Doo (voice)

Grey DeLisle

Daphne Blake (voice)

Matthew Lillard

Shaggy Rogers (voice)

Mindy Cohn

Velma Dinkley (voice)

Melissa Rauch

Kiki Brownstone (voice)

Beth Tapper

Annette (voice)

Daran Norris

Kurt (voice)

Adam West

Sandy Blake (voice)

Christopher Showerman

Police Officer (voice)

David Kaye

Grafton Brownstone (voice)