*Warning – contains full spoilers for all eight episodes of The Diplomat season 3* Acclaimed political thriller The Diplomat ended its third season on a chilling note, as Keri Russell’s Kate began questioning whether she could trust her husband, Rufus Sewell’s Hal, in his new position as Vice President. Allison Janney’s President Grace Penn, had made a decision to take a powerful weapon from a Russian sub in British waters, without informing Rory Kinnear’s Prime Minister Nicol Trowbridge – potentially putting both the UK and the US in danger. Now, the series is about to return, with Janney and her The West Wing co-star Bradley Whitford, who plays Grace’s husband Todd, becoming series regulars in the cast. But just when will the new episodes arrive on Netflix, what will the new season be about and who else is returning to star? Read on for everything you need to know about The Diplomat season 4. Will there be The Diplomat season 4? Rory Kinnear as Nicol Trowbridge in The Diplomat. Clifton Prescod/Netflix There will! In fact, Netflix …