Dynomutt the Dog Wonder / Fred (20 episodes, 1976-1977)
Blue Falcon (20 episodes, 1976-1977)
Shaggy / Shaggy Rogers / Swamp Rat (3 episodes, 1976)
Daphne / Daphne Blake (3 episodes, 1976)
Scooby Doo / Scooby-Doo (3 episodes, 1976)
Velma (2 episodes, 1976)
Mr. Hyde (2 episodes, 1976)
(2 episodes, 1976)
(1 episode, 1976)
Damsel Woman In Distress (1 episode, 1976)
Superthug (unknown episodes)
Additional Voices (unknown episodes)
F.O.C.U.S. One / Narrator (unknown episodes)