Jenelle Riley Deputy Awards and Features Editor This article first appeared as part of Jenelle Riley’s Acting Up newsletter – to subscribe for early content and weekly updates on all things acting, visit the Acting Up signup page. Live theater is already a rush but there’s something extra exhilarating when something goes wrong. Nobody knows this better than The Mischief Theatre Company, which began in 2008 as an improvisational group before launching a global franchise of plays, specials and series focusing on performances that go horribly awry.