Shaggy Rogers (voice)
Casey Kasem
Scooby-Doo / Fred Jones / Wiki-Tiki / Interviewer (voice)
Frank Welker
Special Musical Guest #2 (voice)
Dick Dale
Special Musical Guest #1 (voice)
Don Ho
Tiny Tiki / Surfer on Bike / California Surfer Dude / Local Guy #1 / Wild Pig / Gecko / Flame Thrower (voice)
Dee Bradley Baker
Ruben Laluna / California Surfer / Tiny Tiki (voice)
Tom Kenny
Velma Dinkley (voice)
Mindy Cohn
Daphne Blake / Auntie Mahina / Local Woman #2 (voice)
Grey DeLisle
Little Jim (voice)
Ray Bumatai
Snookie / Local Woman #1 (voice)
Tia Carrere
Mayor Molly Quinn (voice)
Teri Garr
Manu Tuiama / Mainland Surfer (voice)
Mario López
Jared Moon (voice)
Adam West
Special Musical Guest (voice)
Executive Producer
Joseph Barbera
Writer
Temple Mathews
Director
Tim Maltby
Character Designer
Kathi Castillo
Background Designer
Tristin Cole
Casting
Collette Sunderman
Sander Schwartz
Original Music Composer
Thomas Chase
Producer
Margaret M. Dean
Editor
Julie Ann Lau