Soon after film came into existence, the term epic was used to describe productions that were lengthy, spectacular, live with action, and often filmed in exotic locales with large casts and staggering budgets. The effort and extravagance needed to mount an epic film paid off handsomely at the box office, for the genre became an immediate favorite with audiences. Epic films survived the tribulations of two world wars and the Depression and have retained the basic characteristics of size and glamour for more than a hundred years. Length was, and still is, one of the traits of the epic, though...