Find the best Visit from an Unknown Woman play tickets at Hampstead Theatre, Inner London. Vienna 1934. Stefan is one of the world's most successful authors - widely read, universally admired, and translated into every language. His is the life of a wealthy playboy, enjoying only the finest things in life - from luxurious world travel to the company of his most dazzling contemporaries in Europe's most fashionable restaurants. Only two things cloud his prospects: the rise of the Nazi Party, and the sudden appearance of a woman who he clearly knows... but who he cannot, for the life of him, remember... World Premiere