Desc: Burgtheater: Directed by Willi Forst. With Werner Krauss, Hortense Raky, Olga Tschechowa, Hans Moser. Friedrich Mitterer is the eccentric and basically socio-phobic star of the Viennese Burg Theater. His prompter takes care of his social interactions. When Mitterer meets the young Leni he relies on the prompter to establish contact.