Shaggy Rogers (voice)
Scooby-Doo (voice)
Fred Jones (voice)
Velma Dinkley (voice)
Daphne Blake (voice)
Butler / C.L. Magnus / The Ghost of Redbeard (voice) / Mr. Hyde / Dr. Jekyll (voice)
The Headless Specter / Asa Shanks / Phony Phantom (voice) / The Phantom / Bluestone the Great (voice)
Mrs. Cutler (voice) / Swami Customer (voice)
Dr. Najib (voice) / Pietro / The Puppet Master (voice)
The Ghost Clown (voice) (uncredited) / Ghost of Geronimo (voice) (uncredited)
Gypsy Fortune Teller (voice) (uncredited)
Helga (voice)
Zen Tuo / Mr. Fong (voice) (uncredited)
The Wax Phantom (voice)
