Frank Welker

Scooby-Doo / Fred (voice)

Casey Kasem

Shaggy (voice)

Heather North

Daphne (voice)

Nicole Jaffe

Velma (voice)

Jane Wiedlin

Dusk (voice)

Jennifer Hale

Thorn / Queen (voice)

Jeff Bennett

Jasper Ridgeway / Jack / Lifeguard #1 (voice)

Kimberly Brooks

Luna (voice)

Tom Kenny

Harry / Stormy Weathers / Barry / Lightning Strikes / Lifeguard #2 (voice)

Phil LaMarr

Daniel Illiwara / King (voice)

Michael Neill

Russell / Dark Skull / Matt Marvelous (voice)

Kevin Michael Richardson

Malcolm Illiwara / Yowie Yahoo / Crocodile (voice)