No Great Magic by Fritz Leiber: Recent Episodes

They were a traveling group of Shakespearean players; perfectly harmless, right? Wrong. For one thing, why did they have spacemen costumes in their wardrobes, right next to caveman ones? Why was the girl in charge of backstage suffering from amnesia and agoraphobia? No Great Magic is needed to perform the plays they put on, but sometimes great science. No matter where, or when.