Special Guest Stars Laurence Naismith as Cyrus Stone Guest Stars Kent Smith as Edgar Scoville Alfred Ryder as The Invader Leader Anthony Eisley as Bob Torin Karen Black as Claudia Stone Co Starring Joe Quinn as Policeman Christopher Held as Lieutenant John S. Ragin as Kant Lawrence Montaigne as Garth Ron Husmann as Sentry John Graham as Colonel Gentry Uncredited William Woodson as Narrator
