Cast (6)
June ForayIggy/Muggsy/ Grandma/ Sonja/Marcy
Henry CordenClem/Digby/Dogcatcher
Paul WinchellMarmaduke
Mel BlancHeathcliff/Spike/Milkman
Frank WelkerDingbat
Don MessickSparerib/ Nobody/ Mr. Post/ Mr. SnyderJune ForayIggy/Muggsy/ Grandma/ Sonja/MarcyHenry CordenClem/Digby/DogcatcherPaul WinchellMarmadukeMel BlancHeathcliff/Spike/MilkmanFrank WelkerDingbatDon MessickSparerib/ Nobody/ Mr. Post/ Mr. Snyder