The Diplomat cast features Keri Russell, Rufus Sewell and David Gyasi. This info article contains minor spoilers and character details for Debora Cahn’s Netflix series. Check out more streaming guides in Vague Visages’ Know the Cast section.

The Diplomat centers on an American woman named Kate Wyler. When the protagonist accepts a new job in London, she gets prepped to be the next U.S. vice president. The narrative follows Kate as she investigates an international conspiracy. Here’s every main performer and character in The Diplomat.

Read More at VV — Know the Cast & Characters: ‘Florida Man’

The Diplomat Cast: Keri Russell as Kate Wyler

Character Profile: An American diplomat. She reluctantly moves to London for a new job. Kate prepares for a divorce while colluding with government officials.

Russell’s Resume: Felicity Porter in Felicity (1998-2002), Jenna in Waitress (2007), Elizabeth Jennings in The Americans (2013-18), Ellie in Dawn of the Planet of the Apes (2014), Sari in Cocaine Bear (2023)

Read More at VV — Know the Cast & Characters: ‘Wellmania’

The Diplomat Cast: Rufus Sewell as Hal Wyler

Character Profile: Kate’s husband. He is a foreign policy expert who gets accused of selling access to The White House. Hal manipulates people with his charisma and intelligence.

Sewell’s Resume: John Murdoch in Dark City (1998), Count Adhemar in A Knight’s Tale (2001), Crown Prince Leopold in The Illusionist (2006), John Smith in The Man in the High Castle (2015-19), Roger Salas in Kaleidoscope (2023)

Read More at VV — Know the Cast & Characters: ‘Transatlantic’

The Diplomat Cast: David Gyasi as Austin Dennison

Character Profile: The UK foreign secretary. He is a widower who falls in love with Kate. Austin re-thinks his alliance with the United States.

Gyasi’s Resume: Skinny Prisoner in The Dark Knight Rises (2012), Autua/Lester Rey/Duophysite in Cloud Atlas (2012), Romilly in Interstellar (2014), Daniel in Annihilation (2018), Agreus Astrayon in Carnival Row (2019-)

Read More at VV — Know the Cast & Characters: ‘Beef’

The Diplomat Cast: Ali Ahn as Eidra Graham

Character Profile: The CIA station chief in London. She works closely with MI6. Eidra thinks about accepting a new position in Cairo.

Ahn’s Resume: Wanda in Louie (2011), Vanessa in Liberal Arts (2012), Carly in Billions (2016-18), Dagon in Supernatural (2017), Suzanne Wu in Raising Dion (2019-22)

Read More at VV — Know the Cast & Characters: ‘Unstable’

The Diplomat Cast: Rory Kinnear as Nicol Trowbridge

Character Profile: The UK prime minister. He is a misogynist who intends to “rain hellfire” on Iran. Nicol worries about his reputation.

Kinnear’s Resume: William Swift in Ghosts of Albion: Legacy (2003), Bill Tanner in the James Bond Movie Franchise (2008-), Robert Nock in The Imitation Game (2014), John Clare/The Creature in Penny Dreadful (2014-16), Colin Jordan in Ridley Road (2021)

Read More at VV — Know the Cast & Characters: ‘Who Were We Running From?’

The Diplomat Cast: Ato Essandoh as Stuart Heyford

Character Profile: A foreign service officer. He carries on a private relationship with Eidra. Stuart is a former campaign manager who preps Kate to be the next U.S. vice president.

Essandoh’s Resume: Titembay in Garden State (2004), Commander Rambo in Blood Diamond (2006), Isidore Latham in Chicago Med (2016-21), Craig Jeffers in Jason Bourne (2016), Jones in X-Men: Dark Phoenix (2019)

Read More at VV — Know the Cast & Characters: ‘The Night Agent’

The Diplomat cast also includes:

• Celia Imrie as Margaret Roylin
• Michael McKean as President Rayburn
• Nana Mensah as Billie Appiah
• Miguel Sandoval as Miguel Ganon
• Adam Silver as Howard
• Bhav Joshi Anu
• Anna Francolini as Pippa
• Joey Eden as Dan Green

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.