Don Messick
Droopy (voice) (39 eps)
William Callaway
Rumpley (voice) (39 eps)
Teresa Ganzel
Miss Vavoom / Misty Mouse (voice) (39 eps)
Frank Welker
McWolf / Dweeble / Wild Mouse / Grunch the Caveman (voice) (39 eps)
Jim Cummings
McWolf's Horse, Pierre Le Poulet (voice) (3 eps)
Rob Paulsen
Edna Evergreen / Crummy McMummy (voice) (2 eps)
Janet Waldo
Wild Mouse's Mother (voice) (1 eps)
Maurice LaMarche
Thundergut the Super Squirrel (voice) (1 eps)
Chuck McCann
Baby Bandit's Henchman (voice) (1 eps)
Pat Fraley
The Yolker (voice) (1 eps)
Michael Bell
Roqueford Le Poulet (voice) (1 eps)
Susan Blu
Auntie Snoople (voice) (1 eps)
Arte Johnson
Shadowman (voice) (1 eps)
Nancy Linari
Zombina (voice) (1 eps)
B.J. Ward
The Mistress of Baskerville Manor (voice) (1 eps)