Cal Performances presents “Eonnagata.” Canada’s Ex Machina brings together three formidable talents — dancer Sylvie Guillem, director Robert Lepage, and choreographer Russell Maliphant — to explore the life of Charles de Beaumont, Chevalier d’Éon. Likely the first spy to use cross-dressing in pursuit of his duties, Éon’s many enemies included Louis XVI, who forced him to wear a dress all the time. Eventually, people no longer knew whether he was a man or a woman. Midway between theater and dance, “Eonnagata” draws on onnagata, a kabuki theater technique that enables actors to represent women in a highly stylized fashion. Tickets begin at $36 for both performances. The event will take place at 8 p.m. Zelerbach Hall on the UC Berkeley campus. Info: (510) 642-9988.