Animation
Heathcliff (1980)
04/10/1980 (US)
Distribution
June Foray
Iggy/Muggsy/ Grandma/ Sonja/Marcy
Henry Corden
Clem/Digby/Dogcatcher
Mel Blanc
Heathcliff/Spike/Milkman
Don Messick
Sparerib/ Nobody/ Mr. Post/ Mr. Snyder
Frank Welker
Dingbat
Paul Winchell
Marmaduke