Mel Blanc

Heathcliff / Spike (voice)

Donna Christie

Iggy (voice)

Peter Cullen

(voice)

Jeannie Elias

Marcy

Stan Jones

Wordsdworth

Marilyn Lightstone

Sonja / Mrs. Nutmeg

Danny Mann

Hector / Mr. Schultz

Derek McGrath

Lefty / Knuckles / Muggsy / Spike / Mr. Woodley

Marilyn Schreffler

Mr. Woodley's Secretary

Danny Wells

General / Announcer

Ted Zeigler

Mr. Nutmeg / Mungo

Bruno Bianchi