Jack Warden

Rocco (voice)

Ray Hubley

Adam (voice)

Maureen Stapleton

Mother (voice)

Morris Carnovsky

Earl of Limestone (voice)

Phil Leeds

Pre-Cambrian Rocks (voice)

Harry Edison

Uncle Igneous (voice)

Don Elliott

Aunt Sedimentary (voice)

Ruth Price

Cousin Metamorphic (voice)

John Hubley