Based on Viet Thanh Nguyen's Pulitzer Prize-winning novel of the same name, The Sympathizer is 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.
Park Chan-wook and Don McKellar co-showrun and executive produce. The cast is led by Hoa Xuande, Fred Nguyen Khan, Toan Le, Nguyen Cao Ky Duyen, and Sandra Oh; and star and executive producer Robert Downey Jr., who plays multiple roles.