Mel Blanc

as Heathcliff / Spike (voice)

Donna Christie

as Iggy (voice)

Peter Cullen

as (voice)

Jeannie Elias

as Marcy

Stan Jones

as Wordsdworth

Marilyn Lightstone

as Sonja / Mrs. Nutmeg

Danny Mann

as Hector / Mr. Schultz

Derek McGrath

as Lefty / Knuckles / Muggsy / Spike / Mr. Woodley

Marilyn Schreffler

as Mr. Woodley's Secretary

Danny Wells

as General / Announcer

Ted Zeigler

as Mr. Nutmeg / Mungo