As C-3PO looked at Jabba the Hutt""s fortress-palace in the distance, he complained that rebel Lando Calrissian (Billy Dee Williams) and Wookiee Chewbacca (Peter Mayhew) never returned in their efforts to rescue Han Solo.They were instructed to revert to a more primitive communication technique -- verbal questions offered one at a time.On the water surface, their petals spread out and hey are transformed into tiny, wide-skirted ballerinas.Screenwriter Harry Behn based his script on a story by author Laurence Stallings, who based his writing on his own gritty wartime experiences as a Marine serving in N.