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The Diplomat
The Diplomat is a Netflix political drama starring Keri Russell as U.S. ambassador Kate Wyler. On October 17, 2026, Season 4 received a perfect 100% critic score on Rotten Tomatoes, and the death of Austin Dennison, played by David Gyasi, in episode three sparked new narrative developments.
What to know
- Austin Dennison, the British Foreign Secretary, is killed off in Season 4 of The Diplomat. Oct 17
- The death forces US Ambassador Kate Wyler to reassess strategies and alliances. Oct 17
- Austin Dennison dies in season 4 of The Diplomat. Oct 17
- Creator says the change is a deliberate move to refresh the story. Oct 17
- The Diplomat season 4 debuted with a 100% critic score on Rotten Tomatoes. Oct 17
Timeline
- Oct 17, 2026
- Oct 17, 2026
- Oct 17, 2026
- Oct 16, 2026
- Oct 16, 2026




