He Bought a Hat

 is the fourth episode of the first season of the Netflix series The Diplomat.

Synopsis
As Rayburn's rep takes a hit, Kate drops in on Dennison's private meeting at the UK Foreign Office and learns startling information about the attack.

Cast

 * Keri Russell as Kate Wyler
 * Rufus Sewell as Hal Wyler
 * David Gyasi as Austin Dennison
 * Ato Essandoh as Stuart Hayford
 * Ali Ahn as Eidra Park
 * Rory Kinnear as Prime Minister Nicol Trowbridge
 * Celia Imrie as Meg Roylin
 * Nana Mensah as Billie Appiah
 * Miguel Sandoval as Miguel Ganon
 * Michael McKean as President William Rayburn