Echoes

Echoes is the first episode of the fourth season of The 100. It is the forty-sixth episode of the series overall. It aired on February 1, 2017. It was written by Jason Rothenberg and directed by Dean White.

Summary
Clarke and her friends struggle with how to proceed after the fate of the world is revealed.

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

 * Adina Porter as Indra
 * Luisa D'Oliveira as Emori
 * Chelsey Reist as Harper McIntyre


 * Tati Gabrielle as Gaya
 * Tasya Teles as Echo
 * Jessica Williams as Kenza

Notes & Trivia

 * The episode name was revealed through a leaked script photo.

Body Count

 * 1 Grounder  (Killed in the City of Light)
 * Ambassador
 * 2 Ice Nation Guards
 * 1 Ice Nation Healer