Die All, Die Merrily

Die All, Die Merrily is the tenth episode of the fourth season of The 100. It is the fifty-fifth episode of the series overall.

Octavia fights in the final battle for her people's survival, but not everyone is willing to play fair.

Starring

 * Eliza Taylor as Clarke Griffin
 * Paige Turco as Abigail Griffin
 * Bob Morley as Bellamy Blake
 * Marie Avgeropoulos as Octavia Blake
 * Devon Bostick as Jasper Jordan
 * Christopher Larkin as Monty Green


 * Lindsey Morgan as Raven Reyes
 * Richard Harmon as John Murphy
 * Zach McGowan as Roan
 * Isaiah Washington as Thelonious Jaha
 * Henry Ian Cusick as Marcus Kane

Guest Starring

 * Chai Hansen as Ilian
 * Adina Porter as Indra
 * Tati Gabrielle as Gaia
 * Nadia Hilker as Luna
 * Tasya Teles as Echo
 * James Michalopolous as Fio
 * Tamiko Brownlee as Delphi Warrior and Luna's Double

Notes and Trivia

 * According to Marie Avgeropoulos's Instagram post and interview, this is her favorite episode.

Behind the Scenes

 * Even though this episode is the tenth episode of the season, the production number is 409. This is because it was the ninth episode shot. The ninth episode, "DNR" (#410), was shot after this episode to accommodate Dean White's schedule.