Christina Hillsberg joined the CIA as an eager 21-year-old in 2006. She spent more than a decade there: traveling undercover to CIA stations across the globe, meeting with clandestine sources ...

An agent’s life is not exactly like a James Bond movie: direct confrontation is avoided, victories are celebrated quietly and without fanfare, and the job can at times be as boring as any other.

Fassbender is a master at playing icy cool detachment with a hot sense of passion boiling beneath the surface, and he’s perfectly cast as the CIA special agent code-named “Martian.” (He’s ...