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The Diplomat (TV series)

The Diplomat is an American political thriller television series created by Debora Cahn and released on Netflix in 2023.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The Diplomat is an American political thriller television series created by Debora Cahn. It premiered on Netflix on April 20, 2023, and stars Keri Russell as Kate Wyler, a career diplomat who becomes U.S. ambassador to the United Kingdom amid an international crisis. The series also explores her strained marriage to fellow diplomat Hal Wyler, played by Rufus Sewell.

Premise

The series centres on a U.S. diplomat who is unexpectedly placed in a high-profile diplomatic post in London. She must manage international tensions, political manoeuvring, and her personal life at the same time.

Cast and characters

Keri Russell plays Kate Wyler, while Rufus Sewell plays Hal Wyler, her husband and a former ambassador. David Gyasi is also among the principal cast.

Production and release

The Diplomat was created by Debora Cahn and premiered on Netflix in April 2023. Netflix has identified it as a drama series with multiple seasons. By 2025, Netflix listed the series as having three seasons.

Reception and genre

The series is generally classified as a political thriller and drama. It has been described in listings and reviews as centred on crisis diplomacy, marriage, and political ambition.

Key facts

  • The series follows Kate Wyler, a career diplomat appointed U.S. ambassador to the United Kingdom during a major international crisis.
  • Its story combines international politics with Kate’s deteriorating marriage to fellow diplomat Hal Wyler.
  • Debora Cahn is credited as the creator.
  • Keri Russell plays the lead role of Kate Wyler, with Rufus Sewell as Hal Wyler.
  • By 2025, Netflix listed the series as having three seasons.
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Canadian context

The series is available to Canadian viewers through Netflix and may be of interest to audiences following U.S.-U.K. political drama.

Frequently asked questions

What is The Diplomat about?
It follows Kate Wyler, a U.S. diplomat who becomes ambassador to the United Kingdom during an international crisis and must balance diplomacy with personal and political pressures.
Who created The Diplomat?
The series was created by Debora Cahn.
Who stars in The Diplomat?
The main cast includes Keri Russell, Rufus Sewell, and David Gyasi.
When did The Diplomat premiere?
It premiered on Netflix on April 20, 2023.
What genre is The Diplomat?
It is described as a political thriller and drama.
How many seasons does The Diplomat have?
Netflix listed the series as having three seasons.

References

  1. Netflix — https://www.netflix.com/title/81288983
    Supports: Series premise, creator, main cast, original network, rating, and seasons.
  2. Wikipedia — https://en.wikipedia.org/wiki/The_Diplomat_(American_TV_series)
    Supports: Premise, lead characters, and cast details.
  3. Rotten Tomatoes — https://www.rottentomatoes.com/tv/the_diplomat
    Supports: Genre classification, creator, network, release date, and synopsis.
  4. IMDb — https://www.imdb.com/title/tt17491088/
    Supports: Release date, synopsis, and principal cast.