Charlton Heston

Alien (voice)

James Coburn

Studio Boss

Ferdy Mayne

Archimedes

Billy Campbell

Young Man

Sherrié Austin

Jacqueline

Richard Brestoff

Movie Director

Dana Gladstone

Napoleon

Brandon Stirling Baker

Cave Baby

J. P. Burns

Counselor

Gerard Prendergast

Head Technician

Marjorie Stapp

Future Woman

Robina Suwol

Cave Mother

Richard Fleischer