Revival had always been planned since before the recent tour. The problem is, however, finding a theatre. SO many upcoming shows, such limited spaces.
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Another reason why having a female play Peter became tradition because in the early 1900's, there were child labor laws in England preventing a child from taking the role. So instead of using a husky, muscled, heavyweight man, a small, lightweight, youthful woman took it over.
Yes, there have been productions with men, and even boys, playing the role. But due to tradition and ease of casting, women are more often chosen.
"The Spectacle has, indeed, an emotional attraction of its own, but, of all the parts, it is the least artistic, and connected least with the art of poetry. For the power of Tragedy, we may be sure, is felt even apart from representation and actors. Besides, the production of spectacular effects depends more on the art of the stage machinist than on that of the poet."
--Aristotle