- Keri Russell (Ambassador Kate Wyler)
- Rufus Sewell (Hal Wyler)
- David Gyasi (Foreign Secretary Austin Dennison)
- Ali Ahn (Eidra Park)
- Rory Kinnear (Prime Minister Nicol Trowbridge)
- Ato Essandoh (Stuart Hayford)
- Bradley Whitford (Todd Penn)
- Allison Janney (President Grace Penn)
The Diplomat — S3E8
Episode: Schrodinger's Wife
Air Date: 2025-10-16
Runtime: 55 min
Overview
Kate must use all her leverage and political instincts to avert a catastrophe at a high-stakes summit — with the fate of nations hanging in the balance.