Heathcliff

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Mel Blanc

Heathcliff

Mel Blanc

Spike

Mel Blanc

Sled Race Announcer

Don Messick

Mr. Post

Henry Corden

Clem

Marilyn Schreffler

Additional Voices

Frank Welker

Dingbat

June Foray

Grandma

Janet Waldo

Additional Voices

Clare Peck

Additional Voices

Takayo Doran

Additional Voices

Hal Smith

Additional Voices

Paul Winchell

Marmaduke

Russi Taylor

Barbie Winslow

Avery Schreiber

Additional Voices

Alan Dinehart

Additional Voices

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