>The actors would need to learn the new characters and lines? Yes. Or, maybe you could find a different set of actors with similar physical measurements to use

>The actors would need to learn the new characters and lines? Yes. Or, maybe you could find a different set of actors with similar physical measurements to use the same costumes. If you were on a sound stage and could limit yourself to 12-hour sessions, you could theoretically shoot two completely different stories for only the cost of the second set of actors, directors, writers.