June Foray
Iggy/Muggsy/ Grandma/ Sonja/Marcy
91 episodes
Henry Corden
Clem/Digby/Dogcatcher
Mel Blanc
Heathcliff/Spike/Milkman
Don Messick
Sparerib/ Nobody/ Mr. Post/ Mr. Snyder
Frank Welker
Dingbat
52 episodes
Paul Winchell
Marmaduke
39 episodes
