The Diplomat on Netflix introduces a fascinating cast of characters. But Austin Dennison might just be one of the most intriguing. Played by David Gyasi, Dennison is the British foreign secretary.

Kate had been working as a U.S. diplomat for a while and was set to ... the highly volatile prime minister of the U.K., who ...

In The Diplomat ending she and UK Foreign Secretary Austin Dennison came to the conclusion it was Trowbridge whilst in France ...

After Hal ruined everything, Kate Wyler has a hell of a mess on ’The Diplomat.’ When will the third season stream?

Rufus Sewell as her husband and fellow diplomat Hal Wyler, and David Gyasi as British Foreign Secretary Austin Dennison. Ali Ahn takes on the role of CIA Station Chief Eidra Park, while Ato ...