The Diplomat

The Riderless Horse (Season 3, Episode 3)

TV-MA

TV Episode | 51 min | Drama, Thriller

As the nation pauses to mourn, Grace considers the framework of her administration. Private strain threatens Kate and Hal's polished public image.

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Cast	+ Add Cast
15 cast members

Name	Known for
Keri Russell Kate Wyler Kate Wyler See fewer	Mission: Impossible III (2006)
Rufus Sewell Hal Wyler Hal Wyler See fewer	A Knight's Tale (2001)
David Gyasi Austin Dennison (credit only) Austin Dennison (credit only) See fewer	Interstellar (2014)
Ali Ahn Eidra Park Eidra Park See fewer	Agatha All Along (2024)
Rory Kinnear Nicol Trowbridge (credit only) Nicol Trowbridge (credit only) See fewer	The Imitation Game (2014)
Ato Essandoh Stuart Heyford Stuart Heyford See fewer	Jason Bourne (I) (2016)
Allison Janney Grace Penn Grace Penn See fewer	The Help (2011)
Nana Mensah Billie Appiah Billie Appiah See fewer	Queen of Glory (2021)
Rosaline Elbay Nora Koriem Nora Koriem See fewer	The Diplomat (II) (2023)
Damian Young Bob Synar Bob Synar See fewer	Edge of Darkness (2010)
Richard Dillane Tom Libby Tom Libby See fewer	Argo (2012)
Graham Miller Neil Barrow Neil Barrow See fewer	Pushing Daisies (2007)
Adam Silver Howard Howard See fewer	The Diplomat (II) (2023)
Raphael Sbarge Senator Matt Pikorski Senator Matt Pikorski See fewer	Once Upon a Time (2011)
Carol Mazhuvancheril Suresh Menon Suresh Menon See fewer	Bad Kids Go to Hell (2012)