Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
Next episode
UK episode date: 23 Sept 2026
The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
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Jackson Lamb
River Cartwright
Diana Taverner
Frank Harkness
Catherine Standish
Roddy Ho
Louisa Guy
Shirley Dander
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