 Webb described the 'nightmare' part of the film as the dramatization of a variety of stories told by refugees from Eastern Europe who fled the Soviet takeover of that region following World War II.The cast of the film is a "Who's Who" of Warner Bros. Television of the time.The "everyman" hero is Jack Kelly, then the co-lead of "Maverick", and other cast members starred or guest starred in WBTV shows that proliferated on the ABC network.