Watch the teaser trailer for the new HBO limited series ‘The Sympathizer,’ starring Hoa Xuande, Sandra Oh, Robert Downey Jr., and more

Based on Viet Thanh Nguyen’s Pulitzer Prize-winning novel of the same name, HBO describes ‘The Sympathizer’ as “an espionage thriller and cross-culture satire about the struggles of a half-French, half-Vietnamese communist spy during the final days of the Vietnam War and his resulting exile in the United States.”