Black Bag is a 2025 American spy thriller film directed by Steven Soderbergh and written by David Koepp. It stars Cate Blanchett, Michael Fassbender, Marisa Abela, Tom Burke, Naomie Harris, Regé-Jean Page, and Pierce Brosnan. In the film, British intelligence officer George Woodhouse (Fassbender) is assigned to investigate a list of suspected traitors, one of which is his wife, Kathryn (Blanchett).