Ewan McGregor to Star as Halston in New Miniseries About the exposed ewan mcgregor is a well-known actor who appreciates taking on daring roles. In a few of his on-screen performances, we get to observe him in the nude. The actor's openness to reveal himself in the flesh for his craft showcases his devotion and bravery as an actor. Supporters can't help but admire his bravery in choosing such daring roles that call for him to go nude.