“ Black Bag ,” an elegant, quick-witted new thriller that finds Cate Blanchett and Michael Fassbender playing married spies, isn’t the pair’s first time together on screen. That honor goes to 2017’s “Song to Song,” one of Terrence Malick’s most intangible and head-scratching offerings — though the two stars can barely recall that experience.

Find out how Black Bag ends and get Michael Fassbender's take on the choices made by his character, especially when it comes Cate Blanchett's Kathryn St. Jean.

The cast of "Black Bag" spoke to Yahoo Entertainment about the unconventional spy movie and its unforgettable dinner party scene.