- 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 — S3E4
Episode: Arden
Air Date: 2025-10-16
Runtime: 51 min
Overview
Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.