Näitlejad

• Mindy Cohn — Velma (voice)
• Frank Welker — Scooby-Doo / Fred / Wiki-Tiki / Interviewer (voice)
• Casey Kasem — Shaggy (voice)
• Grey DeLisle — Daphne Blake / Auntie Mahina / Local Woman #2 (voice)
• Ray Bumatai — Little Jim (voice)
• Adam West — Jared Moon (voice)
• Don Ho — Special Musical Guest #1 (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 Throwe
• Tia Carrere — Snookie / Local Woman #1 (voice)
• Teri Garr — Mayor Molly Quinn (voice)
• Tom Kenny — Ruben Laluna / California Surfer / Tiny Tiki (voice)