Aloha Scooby-Doo!

Casey Kasem

as Shaggy Rogers (voice)

Frank Welker

as Scooby-Doo / Fred Jones / Wiki-Tiki / Interviewer (voice)

Mindy Cohn

as Velma Dinkley (voice)

Grey DeLisle

as Daphne Blake / Auntie Mahina / Local Woman #2 (voice)

Ray Bumatai

as Little Jim (voice)

Tia Carrere

as Snookie / Local Woman #1 (voice)

Teri Garr

as Mayor Molly Quinn (voice)

Mario López

as Manu Tuiama / Mainland Surfer (voice)

Adam West

as Jared Moon (voice)

Don Ho

as Special Musical Guest (voice)

Dick Dale

as Special Musical Guest #2 (voice)

Don Ho

as Special Musical Guest #1 (voice)

Dee Bradley Baker

as Tiny Tiki / Surfer on Bike / California Surfer Dude / Local Guy #1 / Wild Pig / Gecko / Flame Thrower (voice)

Tom Kenny

as Ruben Laluna / California Surfer / Tiny Tiki (voice)