Aloha Scooby-Doo!

The Mystery Gang goes to Hawaii for the Big Kahuna of Hanahuna Surfing Contest. However, the gang and the locals find the island invaded by the vengeful Wiki Tiki spirit and his demons.

Casey Kasem

Shaggy (voice)

Mindy Cohn

Velma Dinkley (voice)

Grey DeLisle

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

Frank Welker

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

Ray Bumatai

Little Jim (voice)

Tia Carrere

Snookie / Local Woman #1 (voice)

Teri Garr

Mayor Molly Quinn (voice)

Mario López

Manu Tuiama / Mainland Surfer (voice)

Adam West

Jared Moon (voice)

Don Ho

Special Musical Guest (voice)

Dick Dale

Special Musical Guest #2 (voice)

Don Ho

Special Musical Guest #1 (voice)

Dee Bradley Baker

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

Tom Kenny

Ruben Laluna / California Surfer / Tiny Tiki (voice)