Billy Crudup has built a career playing charming rogues in films like Almost Famous, Eat Pray Love, and last year’s 20th Century Women. It makes perfect sense when his character is revealed as (11-year-old spoiler alert!) the real villain of Mission: Impossible III because Crudup is credible as both hero and villain; there’s always a hint of psychosis underpinning his boy-next-door looks. He’s indulged this duality in his stage roles as well (The Elephant Man, The Pillowman, The Coast of Utopia), but none has exploited the dark under his light as successfully as Harry Clarke, David Cale’s new one-man show at Vineyard Theatre.