Shaggy Rogers (voice)

Casey Kasem

Acting

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

Frank Welker

Acting

Velma Dinkley (voice)

Mindy Cohn

Acting

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

Grey DeLisle

Acting

Little Jim (voice)

Ray Bumatai

Acting

Snookie / Local Woman #1 (voice)

Tia Carrere

Acting

Mayor Molly Quinn (voice)

Teri Garr

Acting

Manu Tuiama / Mainland Surfer (voice)

Mario López

Acting

Jared Moon (voice)

Adam West

Acting

Special Musical Guest (voice)

Don Ho

Acting

Special Musical Guest #2 (voice)

Dick Dale

Acting

Special Musical Guest #1 (voice)

Don Ho

Acting

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

Dee Bradley Baker

Acting

Ruben Laluna / California Surfer / Tiny Tiki (voice)

Tom Kenny

Acting