Gary Oldman stars as an MI5 has-been in a darkly comic thriller about the spies no one wants to talk about.Gary Oldman stars as an MI5 has-been in a darkly comic thriller about the spies no one wants to talk about.Read MoreTelevision, Apple TV Plus, Slow Horses (TV Program), Lowden, Jack (1990- ), Oldman, Gary, Pryce, Jonathan, Scott Thomas, Kristin
