The Diplomat Season 4 Is Coming!
Mark your calendars! The Diplomat Season 4 premieres globally on Netflix on October 15, 2026
The Diplomat Season 4
Release Date
Keri Russell returns as Kate Wyler alongside Rufus Sewell, now navigating a dangerous new role as Vice President.
The Diplomat Season 4 Cast Details
Allison Janney stars as President Grace Penn, with West Wing alum Bradley Whitford elevated to series regular as Todd Penn
The Diplomat Season 4 Cast Details
Directed by Alex Graves, produced by Janice Williams and Keri Russell, created and written by Debora Cahn, The Diplomat is produced by Netflix Studio
The Diplomat Season 4 Crew Details
The new season escalates into war as President Grace Penn and VP Hal Wyler conspire to steal Russia’s most lethal weapon.
Season 4 High-Stakes Plot
The Diplomat Season 4: Plot
Forced to stop their own spouses, Kate Wyler and Todd Penn join forces to protect the global balance of power.
Kate and Todd Team Up
The Diplomat Season 4: Plot
Season 4 explores how power corrupts as two crumbling marriages threaten to destroy international relations.
Two Marriages on the Brink
The Diplomat Season 4: Plot
Stream The Diplomat Season 4 on Netflix now!
Watch Trailer