Shaggy Rogers (voice)

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

Velma Dinkley (voice)

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

Little Jim (voice)

Snookie / Local Woman #1 (voice)

Mayor Molly Quinn (voice)

Manu Tuiama / Mainland Surfer (voice)

Jared Moon (voice)

Special Musical Guest (voice)

Special Musical Guest #2 (voice)

Special Musical Guest #1 (voice)

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

Ruben Laluna / California Surfer / Tiny Tiki (voice)