Cast 6
June Foray
Iggy/Muggsy/ Grandma/ Sonja/Marcy (91 episodes)
Henry Corden
Clem/Digby/Dogcatcher (91 episodes)
Mel Blanc
Heathcliff/Spike/Milkman (91 episodes)
Don Messick
Sparerib/ Nobody/ Mr. Post/ Mr. Snyder (91 episodes)
Frank Welker
Dingbat (52 episodes)
Paul Winchell
Marmaduke (39 episodes)
Directing 3
JK
John Kimball
Director (91 episodes)
CAN
Charles August Nichols
Director (91 episodes)
John Bruno
Layout (52 episodes)
Production 2
KS
Ken Spears
Producer (91 episodes)
Sound 1
DE
Dean Elliott
Music (91 episodes)